# TrustLookup, free: People enrichment API

> [...] check who an NPI belongs to: specialty, license, practice address and whether it’s active.

TrustLookup's Free plan for the people enrichment API costs $0.00 per 1,000 people. We check each provider's docs for 13 fields. TrustLookup's docs list 1: About.
You get 250 credits a month. You spend the credits on TrustLookup's other calls. This call is free. TrustLookup limits how many calls you get but gives no number.
We haven't run TrustLookup through [our people enrichment API benchmark](https://datacircle.dev/best-people-enrichment-api.txt) yet.
This plan is free. We rank 337 plans for people enrichment APIs by price. Half the plans cost $19.00 or less per 1,000 people. [See the best free people enrichment API plan.](https://datacircle.dev/best-people-enrichment-api.txt)
[Coldlytics's $49 monthly plan](https://datacircle.dev/person-enrichment-apis/coldlytics/49-monthly/llms.txt) costs the least per 1,000 people. Coldlytics's people enrichment API costs nothing beyond the plan price. [Consultas Peru's PEN 150 yearly plan](https://datacircle.dev/person-enrichment-apis/consultas-peru/pen-150-yearly/llms.txt) costs the least for 10,000 people a month: about $3.65.
[Parlel's $19 monthly plan](https://datacircle.dev/person-enrichment-apis/parlel/19-monthly/llms.txt) covers any number of people. Parlel's $19 monthly plan costs less up front than Coldlytics's $49 monthly plan.
[LeadMCP](https://datacircle.dev/person-enrichment-apis/leadmcp/49-monthly/llms.txt), [Loopster](https://datacircle.dev/person-enrichment-apis/loopster/179-monthly/llms.txt) and [GetProspect](https://datacircle.dev/person-enrichment-apis/getprospect/399-monthly-growth-50k-post-v2-people-enrich/llms.txt) are the best people enrichment API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/person-enrichment-apis/trustlookup/free
- [People enrichment API in 2026: the 17 best of 220+ compared](https://datacircle.dev/best-people-enrichment-api.txt)
- Get it: https://trustlookup.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- Request: `GET https://api.trustlookup.io/v1/lookup`
- API key: with the plan, on https://trustlookup.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- Its API docs: https://trustlookup.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing#lookup
- Sold by: TrustLookup (https://trustlookup.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 8%
- About: ✓

## Price

- $ per 1,000 people: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: [...] check who an NPI belongs to: specialty, license, practice address and whether it’s active.

## Data

- Freshness: 7 days
- Countries: United States
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 250 credits a month
- Expires: month

## Rate limit

- Per second: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: q, checks "npi". Optional: fresh
- Method: GET
- Path: /v1/lookup

## About the plan

- Plan: Free
- Who can get it: anyone

## The 16 fields the plan's answer can hold

NPI, found, name, credential, type, taxonomy code, specialty, license number, license state, status, practice address, enumeration date, last updated, summary, cached, checked at

## TrustLookup's plans (4)

- [TrustLookup, free](https://datacircle.dev/person-enrichment-apis/trustlookup/free/llms.txt): $0.00 per 1,000, 8% complete, 7 days
- [TrustLookup, $19 monthly](https://datacircle.dev/person-enrichment-apis/trustlookup/19-monthly/llms.txt): 8% complete, 7 days
- [TrustLookup, $79 monthly](https://datacircle.dev/person-enrichment-apis/trustlookup/79-monthly/llms.txt): 8% complete, 7 days
- [TrustLookup, $249 monthly](https://datacircle.dev/person-enrichment-apis/trustlookup/249-monthly/llms.txt): 8% complete, 7 days

## TrustLookup's calls for this API (1)

- `GET /v1/lookup`: [TrustLookup, free](https://datacircle.dev/person-enrichment-apis/trustlookup/free/llms.txt)

## TrustLookup's APIs (6)

- [TrustLookup: company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/trustlookup/free/llms.txt)
- [TrustLookup: domain WHOIS API pricing, 4 plans](https://datacircle.dev/domain-whois-apis/trustlookup/free/llms.txt)
- [TrustLookup: email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/trustlookup/free/llms.txt)
- [TrustLookup: IP company lookup API pricing, 4 plans](https://datacircle.dev/ip-company-lookup-apis/trustlookup/free/llms.txt)
- [TrustLookup: people enrichment API pricing, 4 plans](https://datacircle.dev/person-enrichment-apis/trustlookup/free/llms.txt)
- [TrustLookup: phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/trustlookup/free/llms.txt)

## TrustLookup: people enrichment API alternatives

- [Loopster, free](https://datacircle.dev/person-enrichment-apis/loopster/free/llms.txt): $0.00 per 1,000, 15% complete, 1 day
- [Parlel, free, company API key](https://datacircle.dev/person-enrichment-apis/parlel/free-company-api-key/llms.txt): $0.00 per 1,000, 54% complete, live
- [1881 API, free](https://datacircle.dev/person-enrichment-apis/1881-api/free/llms.txt): $0.00 per 1,000, 0% complete, 24 hours
- [BigDataCorp, free](https://datacircle.dev/person-enrichment-apis/bigdatacorp/free/llms.txt): $0.00 per 1,000, 0% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

- https://trustlookup.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://trustlookup.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://trustlookup.io/npi-lookup?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://trustlookup.io/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing
- https://trustlookup.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=people-enrichment-api-pricing