# Crustdata, contact us, Real-time API access, POST /person/identify: Cached reverse email lookup API

> Resolve profile URLs, emails, or Google Scholar profile URLs to the people behind them: up to 25 in one synchronous call, or up to 300 emails as an async job.

Crustdata's cached reverse email lookup API on its Real-time API access plan. It returns 3 of the 13 key fields we check: Experience, Headline, Location.

- This page: https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-real-time-api-access-post-person-identify
- Get it: https://crustdata.com/pricing
- Its API docs: https://docs.crustdata.com/api-reference/person-apis/identify-people-from-profile-urls-emails-or-google-scholar-profile-urls
- Sold by: Crustdata (https://crustdata.com)
- Checked: 2026-10-23

## In the answer

- Completeness: 23%
- Experience: ✓ current job
- Headline: ✓
- Location: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: from the same budget: People enrich (/person/enrich) · Contact enrich (/person/contact/enrich) · People search (/person/search) · Batch contact enrich (/batch/person/contact/enrich) · Developer profile enrich (/dev_platform/enrich) · Person verify (/batch/person/verify) · Live people search (/person/professional_network/search/live) · Live people enrich (/person/professional_network/enrich/live) · Company search (/company/search) · Company enrich (/company/enrich) · Employee review enrich (/employee_review/enrich) · Live company search (/company/professional_network/search/live) · Job search (/job/search) · Live job search (/job/professional_network/search/live) · Web search (/web/search/live) · Web fetch (/web/enrich/live) · Social post search (/social_post/search) · Social post live search (/social_post/professional_network/search/live) · Social post live enrich (/social_post/professional_network/enrich/live) · People search watcher (/watch/person/search) · Company search watcher (/watch/company/search) · Job search watcher (/watch/job/search) · Social post search watcher (/watch/social_post/search) · Person watcher (/watch/person) · Company watcher (/watch/company)

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Resolve profile URLs, emails, or Google Scholar profile URLs to the people behind them: up to 25 in one synchronous call, or up to 300 emails as an async job.

## Data

- Freshness: 30 days
- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Batch: 25

## Speed

- Answer: in the call

## The call

- You send: one of emails, professional_network_profile_urls or research_profile_urls, and x-api-version header "2025-11-01"
- Method: POST
- Path: /person/identify

## About the plan

- Plan: Real-time API access
- Who can get it: anyone

## The 14 fields the plan's answer can hold

matched on, match type, match status, confidence score, Crustdata person ID, name, headline, current title, normalized title, location, profile URL, GitHub URL, Twitter handle, updated at

## Crustdata's plans (2)

- [Crustdata, contact us, Real-time API access, POST /person/identify](https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-real-time-api-access-post-person-identify/llms.txt): 23% complete, 30 days
- [Crustdata, contact us, In-DB API access](https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-in-db-api-access/llms.txt): 23% complete, 30 days

## Crustdata's calls (2)

- `POST /batch/person/identify`: [Crustdata, contact us, Real-time API access, POST /batch/person/identify](https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-real-time-api-access-post-batch-person-identify/llms.txt)
- `POST /person/identify`: [Crustdata, contact us, Real-time API access, POST /person/identify](https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-real-time-api-access-post-person-identify/llms.txt)

## Crustdata's APIs (8)

- [Crustdata: cached company discovery API pricing, 4 plans](https://datacircle.dev/cached-company-discovery-apis/crustdata/free-20-free-credits/llms.txt)
- [Crustdata: cached company enrichment API pricing, 4 plans](https://datacircle.dev/cached-company-enrichment-apis/crustdata/free-20-free-credits/llms.txt)
- [Crustdata: cached job postings API pricing, 4 plans](https://datacircle.dev/cached-job-posting-apis/crustdata/free-20-free-credits/llms.txt)
- [Crustdata: cached people search API pricing, 4 plans](https://datacircle.dev/cached-people-search-apis/crustdata/free-20-free-credits/llms.txt)
- [Crustdata: cached LinkedIn profile API pricing, 4 plans](https://datacircle.dev/cached-linkedin-profile-apis/crustdata/free-20-free-credits/llms.txt)
- [Crustdata: LinkedIn post search API pricing, 2 plans](https://datacircle.dev/linkedin-post-search-apis/crustdata/contact-us-real-time-api-access/llms.txt)
- [Crustdata: cached email finder API pricing, 1 plan, POST /batch/person/contact/enrich](https://datacircle.dev/find-cached-email-apis/crustdata/contact-us-real-time-api-access-post-batch-person-contact-enrich/llms.txt)
- [Crustdata: cached email finder API pricing, 1 plan, POST /person/contact/enrich](https://datacircle.dev/find-cached-email-apis/crustdata/contact-us-real-time-api-access-post-person-contact-enrich/llms.txt)
- [Crustdata: cached reverse email lookup API pricing, 2 plans, POST /person/identify](https://datacircle.dev/cached-reverse-email-lookup-apis/crustdata/contact-us-real-time-api-access-post-person-identify/llms.txt)

## Crustdata: cached reverse email lookup API alternatives

- [AI Ark, contact us](https://datacircle.dev/cached-reverse-email-lookup-apis/ai-ark/contact-us/llms.txt): 92% complete, 30 days
- [Forager, contact us](https://datacircle.dev/cached-reverse-email-lookup-apis/forager/contact-us/llms.txt): 69% complete, 3 weeks
- [ContactOut, contact us, Team / API, GET /v1/people/person](https://datacircle.dev/cached-reverse-email-lookup-apis/contactout/contact-us-team-api-get-v1-people-person/llms.txt): 0% complete, 1 hour

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-23.

- https://crustdata.com/apis/people-enrichment
- https://crustdata.com/pricing
- https://crustdata.com/terms
- https://docs.crustdata.com/api-reference/person-apis/identify-people-from-profile-urls-emails-or-google-scholar-profile-urls
- https://docs.crustdata.com/general/credits
- https://docs.crustdata.com/general/data-updates
- https://docs.crustdata.com/general/pricing
- https://docs.crustdata.com/general/rate-limits
- https://docs.crustdata.com/person-docs/identify/introduction