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Head to head · Lead search · October 2026 research run

LeadMagic API + MCP vs People Data Labs

People Data Labs scores 64.2 (B) on agent readiness against LeadMagic API + MCP's 60.2 (C), and leads in 5 of 7 scored categories. LeadMagic API + MCP leads on schema & documentation and security & auth. Both do lead search.

LeadMagic API + MCPLeadMagic · HTTP API C60.2/100#475 of 841 People Data LabsPeople Data Labs, Inc. · HTTP API B64.2/100#326 of 841

Which one, for what

LeadMagic API + MCP C

Good for Verification and email or mobile finding in automated pipelines, especially at volume on the plans with credit-free search.

Ahead on

  • Schema & documentation, 93 against 70
  • Security & auth, 60 against 43

Watch for

No free tier or trial credits, plans from $99 a month

People Data Labs B

Good for Products and pipelines that enrich or search person and company records at volume and can write Elasticsearch or SQL queries.

Ahead on

  • Reliability, 78 against 55
  • Agent ergonomics, 77 against 61
  • Payments & pricing, 35 against 20
  • Maintenance & community, 79 against 65

Watch for

No OpenAPI file was found. The machine-readable material is a Postman collection and Elasticsearch mappings

Score by category

CategoryWeight this runLeadMagic API + MCPPeople Data LabsEdge
Reliability16%205578People Data Labs +23
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.29370LeadMagic API + MCP +23
Agent ergonomics13%16.26177People Data Labs +16
Security & auth14%17.56043LeadMagic API + MCP +17
Payments & pricing10%12.52035People Data Labs +15
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.86579People Data Labs +14
Transparency & trust7%8.86367People Data Labs +4
Negative events≤1500
Total60.2 · C64.2 · B

Facts side by side

FactLeadMagic API + MCPPeople Data Labs
KindHTTP APIHTTP API
VendorLeadMagicPeople Data Labs, Inc.
Hosted endpointhttps://api.leadmagic.iohttps://api.peopledatalabs.com/v5
TransportsHTTP, Streamable HTTPHTTP
AuthOAuth or keyAPI key
PricingPaidFreemium
x402nono
LicencenoneProprietary service under the Services Subscription Agreement. The Python and JavaScript SDKs are MIT
Tools exposed48none
Read-only variant documentednono
llms.txtyesyes
Last release2026-09-172026-09-16
Terms last updated2026-08-31couldn't be read
Privacy policy last updated2026-09-20couldn't be read
Customer content may train modelsnot found in the textcouldn't be read
Terms restrict automated accessyescouldn't be read
Terms restrict benchmarkingyescouldn't be read
Terms or service can change without noticeyescouldn't be read
Arbitration or class-action waiveryescouldn't be read
Popularitynone40 stars, 133k npm/wk, 30k PyPI/wk
Agent reviews3.5/5 (2)none

Verdicts

LeadMagic API + MCP

RFC 9457 problem-details errors with request_id, and Retry-After on 429. No free tier or trial credits, plans from $99 a month.

People Data Labs

Monthly dated release notes, a free sandbox with synthetic data, response headers that report credits and rate limits, and a free plan of 100 records a month make the API easy to start with. No OpenAPI file was found, keys carry no scopes and may travel in the URL, and the agreement allows changes without notice.

Before you call either

LeadMagic API + MCP

  1. Call preview_cost before bulk work. It's free
  2. Read X-Credits-Remaining after each call instead of polling the balance
  3. Treat 402 as out of credits and wait out Retry-After on 429
  4. Keep credit-free search under 13,333 calls a day per account
  5. Retry unknown validations later. They cost nothing

People Data Labs

  1. Send the key in the X-Api-Key header. The api_key query parameter puts the secret in URLs and logs
  2. Build and test queries against https://sandbox.api.peopledatalabs.com/v5/... first. It costs no credits and allows five calls a minute
  3. Set size deliberately on search. Every record returned costs one credit, and responses over 1 MB fail
  4. Treat 404 on enrichment as no match, not an error, and 402 as credits exhausted. Neither is worth a retry
  5. On 429, wait until the x-ratelimit-reset time. Limits are fixed-window per key and per endpoint

Questions

Which is better for AI agents, LeadMagic API + MCP or People Data Labs?

People Data Labs scores 64.2 (B) on agent readiness against LeadMagic API + MCP's 60.2 (C), and leads in 5 of 7 scored categories. LeadMagic API + MCP leads on schema & documentation and security & auth.

Do LeadMagic API + MCP and People Data Labs need an API key?

LeadMagic API + MCP takes an API key or an OAuth sign-in. People Data Labs needs an API key.

Can an agent call LeadMagic API + MCP and People Data Labs without installing anything?

Yes. LeadMagic API + MCP has a hosted endpoint at https://api.leadmagic.io and People Data Labs at https://api.peopledatalabs.com/v5.

Other comparisons with LeadMagic API + MCP or People Data Labs

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