Company search API
Write the market you want in plain words. Get the companies that match, ranked by meaning, not by keywords.
200 free credits with a work e-mail. No credit card required.

What you get
- Company names and domains
- A match score for each row
- Up to 50 rows a page
One call
curl -G https://api.innerfetch.com/api/v1/company/search \
--data-urlencode "q=tools to chase unpaid invoices" \
-H "X-API-Key: $INNERFETCH_API_KEY"query: "tools to chase unpaid invoices"
results[0].name: "Harvest"
results[0].domain: "getharvest.com"
results[0].similarity: 0.7536
results[1].name: "Midday"
results[1].domain: "midday.ai"
results[1].similarity: 0.7398
results[2].name: "TMetric"
results[2].domain: "tmetric.com"What it costs
- Search, up to 50 rows: 1 credit a call
- Calls that fail on our side and queued calls are free
What teams use it for
Build a list
Turn an ideal customer profile into a list of companies.
Find look-alikes
Describe your best customer and find more like it.
Research a market
See who sells in a niche before you enter it.
Company search API, answered
What does a search cost?
Credits: 1 per started 50 rows returned. Free when: an empty answer.
Which companies can a search return?
The companies we already know. The list grows as we add companies every day.
Do I pay when a call fails?
No. A call that fails on our side is free, and so is a queued call. Every answer shows its cost in the X-Credits-Cost header.
Guides that use it
Company data for AI agents
Give your agent company facts with sources, through the MCP server or pay per call.
Build a target account list
Describe your market in plain words. Get a list of companies, grown with their competitors.
How it compares
Innerfetch API vs Apollo
A sales platform with an API. Per-seat plans; credit price not published.
Innerfetch API vs Crunchbase
Deep funding data. The API is sold only through sales.
Innerfetch API vs Coresignal
Dense records and low prices at high volume. 20 credits a full record.
Try it on a company you know
Start with 200 free credits. Sign up with a work e-mail.