# RelPro, contact us: Company discovery API

> Use the Person and Company Search Endpoints to find all relevant people & companies for use cases such as building out a list of people at specific companies in specific locations.

RelPro's company discovery API on its Custom plan. It returns none of the 13 key fields we check: Description, Industry, Type and status, Images and 9 more.
We haven't run RelPro through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
RelPro gives this plan's price on request. We rank 752 plans for company discovery APIs by price. Half the plans cost $1.188 per 1,000 companies or less.
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies: as little as $0.0000015. StackScan's $189 monthly plan covers up to 259,200 pages a month at no extra cost. Each page holds 500,000 companies.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/relpro/contact-us
- [Company discovery API: 60+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://relpro.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: Docs on request from sales
- API key: with the plan, on https://relpro.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://relpro.com/solutions/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: RelPro (https://www.relpro.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 0%

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: Use the Person and Company Search Endpoints to find all relevant people & companies for use cases such as building out a list of people at specific companies in specific locations.

## Data

- Countries: United States
- Keep data: no API terms
- Use data: no API terms

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Docs on request from sales

## About the plan

- Plan: Custom
- Who can get it: anyone

## The only field the plan's answer can hold

RelPro ID

## RelPro's plans (1)

- [RelPro, contact us](https://datacircle.dev/company-discovery-apis/relpro/contact-us/llms.txt): 0% complete

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

- Docs on request from sales: [RelPro, contact us](https://datacircle.dev/company-discovery-apis/relpro/contact-us/llms.txt)

## RelPro's APIs (4)

- [RelPro: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/relpro/contact-us/llms.txt)
- [RelPro: people search API pricing, 1 plan](https://datacircle.dev/people-search-apis/relpro/contact-us/llms.txt)
- [RelPro: people enrichment API pricing, 1 plan, Best Match Title](https://datacircle.dev/person-enrichment-apis/relpro/contact-us-custom-best-match-title/llms.txt)
- [RelPro: people enrichment API pricing, 1 plan, Person Match](https://datacircle.dev/person-enrichment-apis/relpro/contact-us-custom-person-match/llms.txt)
- [RelPro: people enrichment API pricing, 1 plan, Person Profile](https://datacircle.dev/person-enrichment-apis/relpro/contact-us-custom-person-profile/llms.txt)
- [RelPro: company enrichment API pricing, 1 plan, Company Match](https://datacircle.dev/company-enrichment-apis/relpro/contact-us-custom-company-match/llms.txt)
- [RelPro: company enrichment API pricing, 1 plan, Company Profile](https://datacircle.dev/company-enrichment-apis/relpro/contact-us-custom-company-profile/llms.txt)

## RelPro: company discovery API alternatives

- [Hunter, contact us, Enterprise, GET /discover/people](https://datacircle.dev/company-discovery-apis/hunter/contact-us-enterprise-get-discover-people/llms.txt): 0% complete, stored
- [NinjaPear, contact us](https://datacircle.dev/company-discovery-apis/ninjapear/contact-us/llms.txt): 0% complete
- [The Swarm, contact us, Enterprise, POST /v3/companies/search](https://datacircle.dev/company-discovery-apis/the-swarm/contact-us-enterprise-post-v3-companies-search/llms.txt): 0% complete, stored
- [Jobven, contact us, Custom, GET /v1/public/companies](https://datacircle.dev/company-discovery-apis/jobven/contact-us/llms.txt): 0% complete, stored
- [HG Insights, contact us](https://datacircle.dev/company-discovery-apis/hg-insights/contact-us/llms.txt): 0% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://relpro.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://relpro.com/solutions/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://relpro.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://www.relpro.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing