# EntityResolver, free: Company enrichment API

> Give it one ambiguous name or ticker — "Apple", "ETH", "Stripe" — and get back ranked entities carrying verified canonical IDs from every official registry, the right one ranked first.

EntityResolver's Free demo plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. EntityResolver's docs list 1: Description.
EntityResolver limits how many calls you get but gives no number.
In [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt), this plan scores 47.2 out of 100. EntityResolver ranks 36th of 226 providers.
We rank 2,688 plans for company enrichment APIs by price. Half the plans cost $9.00 or less per 1,000 companies. This plan and 169 others tie for the lowest price per 1,000 companies of the 2,688 plans. [See the best free company enrichment API plan.](https://datacircle.dev/best-company-enrichment-api.txt)
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than ROIC.ai's $29 monthly plan.
[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/89-monthly/llms.txt), [Intrinio](https://datacircle.dev/company-enrichment-apis/intrinio/150-monthly/llms.txt) and [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/entityresolver/free
- [Company enrichment API: the best of 220+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://entityresolver.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://entityresolver.xyz/demo`
- API key: not needed
- Its API docs: https://entityresolver.xyz/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: EntityResolver (https://entityresolver.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 8%
- Description: ✓

## Score

- Overall score: 47.2
- Price score: 100
- Accuracy score: 2
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 10

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Give it one ambiguous name or ticker — "Apple", "ETH", "Stripe" — and get back ranked entities carrying verified canonical IDs from every official registry, the right one ranked first.

## Data

- Freshness: live
- Countries: Worldwide
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call
- Median: 0.97 s

## The call

- You send: q
- Method: GET
- Path: /demo

## About the plan

- Plan: Free demo
- Who can get it: anyone, with no account, API key or payment, capped per IP per day

## The 17 fields the plan's answer can hold

query, resolved at, candidates, candidate kind, company name, description, confidence, agreeing registries, SEC CIK, ticker, LEI, ISIN, Wikidata ID, CoinGecko ID, chain ID, contract address, domain

## EntityResolver's plans (2)

- [EntityResolver, free](https://datacircle.dev/company-enrichment-apis/entityresolver/free/llms.txt): $0.00 per 1,000, 8% complete, live
- [EntityResolver, pay as you go](https://datacircle.dev/company-enrichment-apis/entityresolver/pay-as-you-go/llms.txt): $5.00 per 1,000, 8% complete, live

## EntityResolver's calls (2)

- `GET /demo`: [EntityResolver, free](https://datacircle.dev/company-enrichment-apis/entityresolver/free/llms.txt)
- `GET /resolve`: [EntityResolver, pay as you go](https://datacircle.dev/company-enrichment-apis/entityresolver/pay-as-you-go/llms.txt)

## EntityResolver's APIs (1)

- [EntityResolver: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/entityresolver/free/llms.txt)

## EntityResolver: company enrichment API alternatives

- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [RegisterUZ, free](https://datacircle.dev/company-enrichment-apis/registeruz/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [Corporations Canada, free](https://datacircle.dev/company-enrichment-apis/corporations-canada/free/llms.txt): $0.00 per 1,000, 23% complete, live
- [SEC EDGAR, free](https://datacircle.dev/company-enrichment-apis/sec-edgar/free/llms.txt): $0.00 per 1,000, 0% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://entityresolver.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entityresolver.xyz/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://entityresolver.xyz/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing