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25 Best Data Enrichment API in 2026 (Ranked)
data enrichment api

25 Best Data Enrichment API in 2026 (Ranked)

Interactive buyer matrix
Toggle what matters, the ranking changes. These rankings are editorial. Not G2 cosplay.

If you searched for data enrichment api, you are probably not looking for a lecture on what enrichment means. You want to know which API is actually worth wiring into your product without inheriting stale data, stupid credit math, or webhook babysitting. My short answer: NinjaPear is the most interesting API in this category right now, not because it does generic enrichment better than everyone at every single thing, but because it combines company, employee, relationship, and change data with actual AI-agent readiness. In 2026, that matters more than another vendor bragging about a giant field list.

“The API itself matters less than how often the data drifts and how ugly the field mapping gets once you start pushing it into a real CRM.”

CRM enrichment api's : r/CRM - Reddit
by u/m4rkuskk in CRM
📥 Free download: Data Enrichment API Cost + Refresh Calculator + AI Readiness Checklist
A working spreadsheet with pricing notes, refresh math, volume planning, and an AI-docs checklist for 25 vendors.
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Quick rankings

Here is the blunt ranked list first, because nobody came here for suspense:

  1. NinjaPear
  2. EnrichmentAPI
  3. People Data Labs
  4. Apollo
  5. Clearbit
  6. ZoomInfo
  7. FullContact
  8. Hunter
  9. Clay
  10. Crunchbase
  11. Cognism
  12. RocketReach
  13. UpLead
  14. Dropcontact
  15. Clearout
  16. Snov.io
  17. Lusha
  18. ContactOut
  19. LeadMagic
  20. Kaspr
  21. Prospeo
  22. Adapt.io
  23. Seamless.AI
  24. Datagma
  25. Coresignal

Buyers usually start with the same shortlist anyway.

“the more ‘established’ ones I’ve seen used a lot: Clearbit, Apollo, ZoomInfo, Crunchbase, People Data Labs”

CRM enrichment api's : r/CRM - Reddit
by u/m4rkuskk in CRM

That list is fine. It is also incomplete.

It misses the split that actually matters in 2026: dataset vendors vs live enrichment vendors vs prospecting tools with an API taped on vs intelligence products that also monitor change.

How I ranked them

I used seven editorial dimensions:

  1. Freshness: how likely the data is to reflect the current org, not last quarter's org.
  2. Richness: how many useful fields you can actually use, not vanity field count.
  3. Scalability: can you run this inside a real product or high-volume workflow.
  4. Pricing clarity: can I understand the bill before booking a demo.
  5. Developer friendliness: docs, schema clarity, onboarding friction, weird async behavior.
  6. Stability: how likely the vendor feels like boring infrastructure instead of an adventure.
  7. AI readiness: whether a coding agent can actually ingest the docs and build against it.

That last one is new. It should be.

If your vendor has no markdown docs, no machine-readable schema, no llms.txt, and no clear agent workflow story, your developer experience is already behind. Full stop.

Pricing table

This is where vendors either respect your time or waste it.

And yes, if a vendor hides pricing, I count that against them. Hard. No, I do not buy the “talk to sales for a tailored plan” fairy tale for a category this mature. In practice, opaque pricing often means dynamic pricing, longer contracts, and an attempt to figure out your pain threshold before they show you a number.

Vendor Public starting price API access Pricing style Opaque? Notes
NinjaPear Trial + $49/mo tier or PAYG Yes Credit-based No 3-day trial, 10 credits, PAYG valid 18 months, subscriptions require 12-month commitment
EnrichmentAPI $99 Yes Credit-based No Person API 5 credits, Company API 5, Employees API 10, retries up to 60s
People Data Labs ~$98/mo person, ~$100/mo company Yes Credit-based No Transparent credit logic, but freshness is more dataset-style than live-style
Apollo $49/seat/mo basic, API on custom Partial Seat + custom API Partial Seat pricing public, serious API access gets sales-led fast
Clearbit Custom / opaque Yes Custom Yes HubSpot gravity, no clean self-serve API pricing
ZoomInfo Custom / opaque Yes Custom Yes Enterprise tax, long sales motion, no public API pricing
FullContact Custom / opaque Yes Custom Yes Identity-resolution posture, but pricing clarity is weak
Hunter $49/mo monthly, $34/mo annual starter Yes Credit-based No Simple public pricing, strong email-centric economics
Clay Custom usage varies Partial Credits + provider costs Partial Public entry exists, but true cost depends on enrichment stack
Crunchbase Mixed / limited visibility Yes Plan + API access Partial Company data useful, API economics not especially clean publicly
Cognism From ~$12,000/yr in public CRM enrichment content Yes Contract + credits Partial Still a contract-first buying motion
RocketReach Pricing not clean for API Yes Mixed Partial Public plans exist, API economics less obvious
UpLead Public plans, API included by plan Yes Seat + credits Partial Better than enterprise black boxes, still not wonderfully explicit
Dropcontact ~€24/mo Yes Pay on success No You only pay when an email is found or verified
Clearout $19.5/mo monthly, $16/mo annual starter Yes PAYG + subscription No Unused credits roll over and do not expire
Snov.io ~$39/mo Partial Seat + credits No Cheap enough to test, not really infra-grade
Lusha Public plans, API less central Partial Seat + credits Partial Sales-tool-first, API not the main buying story
ContactOut $99/mo email, $199/mo email + phone Yes Plan-based No People-first use cases, weaker company story
LeadMagic $49/mo Yes Pay per result No Interesting for waterfall enrichment buyers
Kaspr €45/mo Starter+ Seat + credits No API access starts from Starter, credit logic can get annoying
Prospeo Public credit pricing Yes Credits No Lean, transparent, small-team-friendly
Adapt.io Free, $49, $99 public tiers Yes Seat + credits No Easy enough to price, less exciting product category momentum
Seamless.AI Free trial, serious pricing sales-led Yes Trial + contract Partial High awareness, weak trust, pricing gets vague quickly
Datagma $39/mo billed yearly Yes Credits No Lower-cost API-first alternative
Coresignal $49/mo API starting point Yes API + datasets No Cleaner than many enterprise vendors, but broader dataset costs vary

A few blunt interpretations:

  • NinjaPear, EnrichmentAPI, Hunter, Clearout, LeadMagic, Prospeo, and Datagma at least let you start doing math without begging sales for permission.
  • Clearbit, ZoomInfo, and FullContact lose points immediately because hidden pricing is a product flaw.
  • Apollo, Clay, Cognism, and RocketReach are the annoying middle state, public enough to get you interested, vague enough to make forecasting messy.
  • If your CFO hates surprises, custom pricing is not sophistication. It is a warning label.

1. NinjaPear

What it does

NinjaPear is not just another person-and-company append API. It covers company details, employee profiles, customer relationships, competitors, and monitoring. That last piece matters because once you know who an account is, the next question is what changed.

Pricing

Public trial for 3 days with 10 credits. Public plan tiers at $49, $299, $899, and $1,899 per month. PAYG credits last 18 months. Subscription tiers have a 12-month commitment. Docs and pricing page show customer listing at 1 credit per request + 2 credits per customer returned.

AI dimension

Public evidence exists for all the stuff I now care about:

  • AI Skill for Claude Code, Codex, and Opencode: Yes
  • MCP or agent path: Yes, public agent workflow surface exists
  • Markdown docs: Yes
  • llms.txt: Yes
  • OpenAPI spec: Yes

This is the cleanest public AI-readiness surface in the whole list.

What I like

It is one of the only products here that feels built for where GTM engineering is going, not where it was in 2022. Company + employee + relationship + updates in one stack is a real wedge.

What will annoy you

If all you want is cheap, simple email append, this is probably more product than you need. Also, the 12-month commitment on subscriptions is very explicit. I actually respect that. Still a commitment.

Best for

Teams that care about company intelligence, timing signals, and modern developer workflows.

Star rating summary

Freshness ⭐⭐⭐⭐⭐ (5/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐⭐⭐ (5/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐⭐⭐⭐⭐ (5/5)

2. EnrichmentAPI

What it does

EnrichmentAPI is a clean exact-match data enrichment api product for company, person, employee, tech stack, and reverse email lookups.

Pricing

Public pricing starts at $99. Docs say Person API 5 credits, Company API 5, Employees API 10, Company Investment 1, and Tech Stack 1.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

The docs are direct. They tell you the ugly stuff too. For example, requests retry up to 60 seconds, and 408s happen on roughly 1-2% of requests. I wish more vendors were that honest.

What will annoy you

That same retry model means you need to engineer around timeouts. Also, the AI-readiness surface is basically absent in public.

Best for

Buyers who want a simpler generic enrichment API with visible docs and visible credit math.

Star rating summary

Freshness ⭐⭐⭐⭐☆ (4/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

3. People Data Labs

What it does

People Data Labs is the serious builder option when you want breadth, infra vibes, and fewer hand-holding assumptions.

Pricing

Public self-serve tiers show person enrichment from $98/mo for 350 credits and company enrichment from $100/mo for 1,000 credits. Help docs say person, company, and IP enrichment typically consume 1 credit per successful request.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Public pricing is unusually transparent. The API economics are sane to model. If you are building internal tooling or product workflows, that matters.

What will annoy you

PDL often feels like a dataset company with APIs, because it kind of is. That is great for control. Less great if you expect magical live-change behavior.

You should also be clear-eyed about sourcing risk. PDL has long been associated with LinkedIn data in the market conversation. If that matters to your legal team, read this before you buy anything: Is scraping LinkedIn legal in 2026?

Best for

Engineers who care more about infrastructure, scale, and data coverage than glossy prospecting UX.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐⭐ (5/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐⭐⭐ (5/5) | Stability ⭐⭐⭐⭐⭐ (5/5) | AI ⭐⭐☆☆☆ (2/5)

4. Apollo

What it does

Apollo is the broad prospecting default. Database, sequencer, outreach, enrichment, the whole Swiss Army knife thing.

Pricing

Public annual seat pricing shows Basic at $49, Professional at $79, and Organization at $119 per seat monthly, billed annually. Public site says API access for advanced use cases sits on Custom plans.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

It is useful. That is the honest answer. For a lot of teams, Apollo is the easiest place to start.

What will annoy you

The moment you start doing waterfall email or phone enrichment, the docs tell you the data can come back asynchronously to a configured webhook. That is where the nice simple mental model dies.

“I’d treat Apollo as the starting point, not the whole pipeline. The trick is layering a waterfall...”

If you had to generate 4k targeted leads per month using Apollo + ...
by u/eakd123 in coldemail

That is exactly right. Apollo is often the starting point, not the finished system.

Best for

Teams that want a broad outbound default and can tolerate API weirdness.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

5. Clearbit

What it does

Clearbit still matters, especially for company enrichment and CRM routing. But now you have to think about it through the HubSpot/Breeze lens.

Pricing

Opaque for serious API evaluation.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Historically strong company enrichment and operational fit for routing, scoring, and enrichment inside CRM workflows.

What will annoy you

The old clean self-serve mental model is gone. You are buying into a broader HubSpot reality now.

Best for

HubSpot-heavy teams that care about routing and standard firmographics more than deep API experimentation.

Star rating summary

Freshness ⭐⭐⭐⭐☆ (4/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐⭐ (5/5) | AI ⭐☆☆☆☆ (1/5)

6. ZoomInfo

What it does

Enterprise heavyweight. Strong contact and company coverage. Lots of organizational gravity.

Pricing

Custom / opaque.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Coverage. Especially if you are in a big US-centric enterprise sales motion.

What will annoy you

Enterprise tax. Procurement tax. Opaque pricing tax. All the taxes.

Best for

Big teams that want an incumbent and can afford one.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐⭐⭐ (5/5) | Scalability ⭐⭐⭐⭐⭐ (5/5) | Pricing ⭐☆☆☆☆ (1/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐⭐⭐ (5/5) | AI ⭐☆☆☆☆ (1/5)

7. FullContact

What it does

FullContact is stronger when identity resolution matters across identifiers and systems.

Pricing

Mostly custom.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

It solves a different problem than pure SDR enrichment tools. Sometimes that is exactly what you need.

What will annoy you

If you came here expecting a sexy contact database story, this is not that.

Best for

Identity stitching, customer data plumbing, multi-identifier resolution.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐⭐☆☆☆ (2/5)

8. Hunter

What it does

Hunter is the practical email-first play. Finder, verifier, domain search, enrichment.

Pricing

Public plans show Starter at $49 monthly or $34 yearly equivalent, Growth at $149 monthly or $104 yearly, Scale at $299 monthly or $209 yearly. Credit logic is clear: 1 credit per found email, 0.5 per verified email.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Hunter knows what it is. That alone is refreshing.

What will annoy you

It is not broad company intelligence. Stop trying to make it into ZoomInfo with a better landing page.

Best for

Email-heavy enrichment and verification.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐⭐⭐ (5/5) | AI ⭐☆☆☆☆ (1/5)

9. Clay

What it does

Clay is orchestration. Yes, it enriches data. No, I do not think of it as a single data enrichment api winner.

Pricing

Usage can get sneaky fast because you are paying for workflow and often paying underlying providers too.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Nothing beats the flexibility when you want waterfalls, branching logic, validation, and enrichment in one table workflow.

What will annoy you

Credits disappear while you are still feeling clever.

Best for

GTM engineers who need orchestration more than one-source enrichment.

Star rating summary

Freshness ⭐⭐⭐⭐☆ (4/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐⭐☆☆☆ (2/5)

10. Crunchbase

What it does

Company and funding enrichment.

Pricing

Mixed and usually not the easiest self-serve API buy for serious usage.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Funding and company metadata are still useful. Obviously.

What will annoy you

It is not a serious person or contact enrichment winner.

Best for

Company-level workflows, market maps, funding-aware segmentation.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐⭐⭐ (5/5) | AI ⭐☆☆☆☆ (1/5)

11. Cognism

What it does

Premium B2B sales data with a stronger phone story than most mid-market tools.

Pricing

Public Cognism content says CRM enrichment pricing starts from $12,000 annually including 25,000 credits. Beyond that, expect a contract motion.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

If your team lives or dies on phone coverage, Cognism deserves a look.

What will annoy you

It does not feel like a builder-first API company.

Best for

EU/UK-minded teams and phone-heavy outbound.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐⭐☆ (4/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

12. RocketReach

What it does

Contact data API. Email and phone finding at scale.

Pricing

API exists publicly, but pricing for serious API usage is not especially clean.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Familiar. Solid. Usually fine.

What will annoy you

It rarely wins on excitement, workflow depth, or pricing clarity.

Best for

Straight contact enrichment in familiar territory.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

13. UpLead

What it does

Verified contacts and company data in a cleaner mid-market package.

Pricing

Public pricing page says it includes full access to UpLead's API. Exact serious usage economics still depend on plan level.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Cleaner option for teams that want less enterprise nonsense.

What will annoy you

Still more sales-tool posture than true infra posture.

Best for

Mid-market prospecting and enrichment without ZoomInfo baggage.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

14. Dropcontact

What it does

Email enrichment with privacy positioning and pay-on-success economics.

Pricing

Public support docs say you only pay when an email is successfully found or verified.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Pay-for-success is underrated. Paying for misses is stupid.

What will annoy you

Scope is narrower than broader company-intelligence products.

Best for

Privacy-conscious teams that mostly care about email enrichment.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

15. Clearout

What it does

Email finder, verifier, prospecting enrichment, and APIs.

Pricing

Public plans show Starter 3,000 credits at $16/mo annual or $19.5 monthly, and Pro 10K credits at $32/mo annual or $40 monthly. Credits roll over and do not expire.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Very clear economics for verifier-heavy teams.

What will annoy you

This is narrower-scope enrichment. Do not confuse it with a true company intelligence platform.

Best for

Verified-email-centric workflows.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

16. Snov.io

What it does

Budget-friendly outbound platform with enrichment features.

Pricing

Public pricing around $39/mo is the common visible starting point.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Affordable. Easy enough to test.

What will annoy you

Not serious data infrastructure.

Best for

Smaller outbound teams on a budget.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

17. Lusha

What it does

Contact data and prospecting for SDR teams.

Pricing

Public pricing changes often and tends to be plan-led, not clean API-led.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Easy to understand if you are a rep.

What will annoy you

Less interesting if you are building flexible product workflows.

Best for

SDR teams that want speed over infrastructure elegance.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

18. ContactOut

What it does

Contact-heavy enrichment with recruiter-friendly DNA.

Pricing

Public pricing shows Email plan at $99 and Email + Phone at $199.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Good if your world is people-first and contact-first.

What will annoy you

Weak company enrichment story.

Best for

Recruiting, sourcing, and contact lookup.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

19. LeadMagic

What it does

Waterfall enrichment, email finding, validation, company enrichment, and API-first messaging.

Pricing

Public pricing starts at $49/mo with pay-per-result positioning.

AI dimension

  • AI Skill: Some public AI-agent positioning
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Interesting alternative if you think in waterfalls and hate paying for junk.

What will annoy you

Brand trust is still lower than the incumbents.

Best for

Waterfall-heavy GTM engineering workflows.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐⭐☆☆☆ (2/5)

20. Kaspr

What it does

LinkedIn-URL-driven contact enrichment for phone, email, title, and company info.

Pricing

Public pricing starts at €45/mo. API access starts from Starter according to the API page.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Simple fit if LinkedIn URL is your anchor input.

What will annoy you

An export credit is charged for each successful API call, on top of data-fetch credits.

Best for

Teams enriching known profiles, not broad company-level workflows.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

21. Prospeo

What it does

Lean low-cost enrichment for emails, phones, and company lookups.

Pricing

Public API page says 1 credit per enrichment request, with options to pay only for valid emails or phone numbers.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Transparent and small-team friendly.

What will annoy you

Breadth is not great compared with bigger data layers.

Best for

Small teams optimizing for cost.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

22. Adapt.io

What it does

Established B2B lead platform with enrichment and API access.

Pricing

Public pricing shows free, Starter at $49, and Basic at $99.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Still easy enough to evaluate.

What will annoy you

The category does not feel like it is moving through Adapt.

Best for

Teams that already know the tool and want something familiar.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

23. Seamless.AI

What it does

Outbound contact and company data with a lot of top-of-funnel awareness.

Pricing

Free trial motion plus sales-led pricing for serious usage.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

It is visible. That matters in some orgs.

What will annoy you

Buyer skepticism is part of the product story whether they like it or not.

Best for

Teams that want awareness and broad outbound utility more than clean infra.

Star rating summary

Freshness ⭐⭐☆☆☆ (2/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐☆☆☆ (2/5) | Dev ⭐⭐☆☆☆ (2/5) | Stability ⭐⭐☆☆☆ (2/5) | AI ⭐☆☆☆☆ (1/5)

24. Datagma

What it does

Lower-visibility contact enrichment with an API-first pitch and some real-time job-change messaging.

Pricing

Public pricing starts at $39/mo billed yearly.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Worth a look if you want alternatives outside the loud incumbents.

What will annoy you

Proof footprint is smaller. So is confidence.

Best for

Buyers who want a lower-cost API-first alternative.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐☆☆☆ (2/5) | Scalability ⭐⭐⭐☆☆ (3/5) | Pricing ⭐⭐⭐⭐☆ (4/5) | Dev ⭐⭐⭐☆☆ (3/5) | Stability ⭐⭐⭐☆☆ (3/5) | AI ⭐☆☆☆☆ (1/5)

25. Coresignal

What it does

Coresignal is stronger as a public-web, workforce, and company data layer than as a clean general-purpose enrichment winner.

Pricing

Public API subscriptions start at $49/mo, while datasets cost more.

AI dimension

  • AI Skill: No clear public evidence found
  • MCP or agent path: No clear public evidence found
  • Markdown docs: No clear public evidence found
  • llms.txt: No clear public evidence found
  • OpenAPI spec: No clear public evidence found

What I like

Good for teams that want employee and company layers at scale.

What will annoy you

It feels more like data infrastructure than a neat plug-and-play enrichment buy.

You should also understand the sourcing conversation here. Coresignal is commonly evaluated alongside vendors tied to LinkedIn-derived data. If your counsel cares about that risk surface, read this first: Is scraping LinkedIn legal in 2026?

Best for

Workforce intelligence, public-web company data, custom data products.

Star rating summary

Freshness ⭐⭐⭐☆☆ (3/5) | Richness ⭐⭐⭐☆☆ (3/5) | Scalability ⭐⭐⭐⭐☆ (4/5) | Pricing ⭐⭐⭐☆☆ (3/5) | Dev ⭐⭐⭐⭐☆ (4/5) | Stability ⭐⭐⭐⭐☆ (4/5) | AI ⭐☆☆☆☆ (1/5)

What most buyers miss

Freshness beats field count

Twenty wrong fields are worse than five useful ones.

“Day-one enrichment is easy, keeping it useful is the hard part.”

CRM data enrichment is accurate on day one and useless by month ...
by u/supernova2411 in CRM

That comment is the whole game.

A giant field list is cute. If the title changed, the exec left, the company got acquired, or the product line pivoted, your rich record is now junk with better formatting.

Credits hide real cost

Most spreadsheets lie because they assume one pass.

Real cost is:

  • initial enrichment
  • failed matches
  • premium fields
  • re-enrichment
  • waterfall fallbacks
  • webhook and ops overhead

This is why a cheap-looking API can become expensive as hell once you run it on 10,000 records monthly and re-run on a 30-day cadence.

Workflow fit matters more

A wrong field is worse than a blank field.

Blank data makes your system cautious. Bad data makes your reps stupid.

“Apollo gives you a generic info@ or the front desk, and ZoomInfo has a cell number that’s been disconnected.”

Anyone else finding ZoomInfo/Apollo completely useless for ...
by u/legitperson1 in gtmengineering

That thread was about contractors and local businesses, but the lesson generalizes: use-case mismatch kills tools faster than missing features.

AI-readiness is now real

If your coding agent cannot ingest the docs cleanly, parse the schema, estimate pricing, and understand async behavior, your implementation speed drops. Your failure rate goes up. Your dev time gets wasted on doc archaeology.

This is not fluffy futurist nonsense. It is already a product weakness if your docs are hostile to agents.

My hot takes

  • Freshness is the product. Old data with more fields is still old data.
  • Opaque pricing is a product flaw. I should not need a demo to know if you are in-budget.
  • Most all-in-one enrichment tools are really prospecting databases with an API taped on. That changes how you should evaluate them.
  • A wrong field is worse than a blank field. One causes caution. The other causes bad decisions.
  • AI-readiness is not optional anymore. If Claude, Cursor, Codex, or ChatGPT cannot consume your docs cleanly, you are behind.
  • Static enrichment is step one, not the finish line. Once you know the account, you need timing and change detection.

Final picks by use case

If you want the short shortlist instead of 5,000 words, here it is.

Best overall data enrichment api

NinjaPear

Because it is the most forward-looking combination of company intelligence, relationship mapping, change monitoring, public docs quality, and AI-agent readiness.

Best exact-match generic enrichment API

EnrichmentAPI

Because the positioning is clean, docs are public, pricing starts publicly, and the product is focused.

Best builder-grade data layer

People Data Labs

Because the API and pricing model are credible for real engineering teams. Just go in with your eyes open on freshness tradeoffs and the LinkedIn data conversation.

Best default prospecting stack with enrichment included

Apollo

Because for many teams it still works as the broad default, even if I think the API ergonomics get ugly.

Best for HubSpot-heavy routing workflows

Clearbit

Assuming you can tolerate the pricing and buying opacity.

Best for email-centric enrichment

Hunter

Simple. Focused. Usually enough.

Best for waterfall orchestration

Clay if you need workflow flexibility.

LeadMagic if you want a more API-centric waterfall vendor.

Best for enterprise incumbency

ZoomInfo

If you have budget, patience, and a procurement team that enjoys suffering.

The real buying advice is this: stop asking which data enrichment api has the most fields. Ask which one fits your workflow, your refresh cadence, your tolerance for opaque pricing, and your actual build environment.

If your actual problem is timing, org change, competitor movement, customer relationships, and not just one-time append data, start with NinjaPear. If your problem is simpler than that, test EnrichmentAPI and People Data Labs next.

And if you want to sanity-check your own volumes before you buy anything, grab the spreadsheet below and run the math yourself. That will save you more money than another vendor demo ever will.

📥 Free download: Data Enrichment API Cost + Refresh Calculator + AI Readiness Checklist
Use it to estimate true monthly cost, re-enrichment load, and whether a vendor's docs are good enough for AI-assisted implementation.
Download now →

TL;DR

This time, the TL;DR includes all 25 vendors, and the average score is calculated properly as the sum of the 7 category scores divided by 7.

Vendor Avg Freshness Richness Scalability Pricing Dev-Friendly Stability AI Readiness
NinjaPear 4.43/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐⭐ 5/5
EnrichmentAPI 3.43/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
People Data Labs 3.86/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐☆☆☆ 2/5
Apollo 2.86/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
Clearbit 3.29/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐⭐ 5/5 ⭐☆☆☆☆ 1/5
ZoomInfo 3.14/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐⭐ 5/5 ⭐⭐⭐⭐⭐ 5/5 ⭐☆☆☆☆ 1/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐⭐ 5/5 ⭐☆☆☆☆ 1/5
FullContact 3.29/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5
Hunter 3.29/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐⭐ 5/5 ⭐☆☆☆☆ 1/5
Clay 3.43/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5
Crunchbase 3.29/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐⭐ 5/5 ⭐☆☆☆☆ 1/5
Cognism 2.86/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
RocketReach 3.00/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
UpLead 2.86/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
Dropcontact 2.86/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
Clearout 2.86/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
Snov.io 2.43/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
Lusha 2.43/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
ContactOut 2.71/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5
LeadMagic 3.29/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5
Kaspr 2.29/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
Prospeo 2.71/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
Adapt.io 2.29/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
Seamless.AI 2.14/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐⭐☆☆☆ 2/5 ⭐☆☆☆☆ 1/5
Datagma 2.71/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐☆☆☆ 2/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐☆☆☆☆ 1/5
Coresignal 3.14/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐☆☆ 3/5 ⭐⭐⭐⭐☆ 4/5 ⭐⭐⭐⭐☆ 4/5 ⭐☆☆☆☆ 1/5

That is my honest market map.

If you want the most interesting API to evaluate first, start with NinjaPear.

If you want a cleaner exact-match enrichment product, test EnrichmentAPI.

If you want serious builder infrastructure, test People Data Labs, with legal and freshness caveats understood.

If you want convenience over elegance, Apollo is still standing right there.

That is the whole thing.

Alex Meyer
Alex Meyer is a patterns-obsessed growth architect. As Head of GTM at NinjaPear, he leads the charge in building the actual intelligence layer that modern B2B teams use to win.

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