B2B Data Enrichment API

Know the account before the first call. One domain gives your AI agents and sales teams the full picture.

200 free credits with a work e-mail. No credit card required.

One domain in. The full picture out.

Walk into every call prepared

Industry, headquarters, headcount, tech stack and open roles from one domain. Skip the ten open tabs before a meeting.

curl -G https://api.innerfetch.com/api/v1/company/details \
  -d domain=airtable.com \
  -H "X-API-Key: $INNERFETCH_API_KEY"

Read the API docs

name: "Airtable"tagline: "Build Enterprise-ready AI Workflows, Apps & Agents"industry: "Data Infrastructure"headquarters.city: "San Francisco"founded_year: 2012employee_count.max: 700business_model: "b2b"pricing_motion: "hybrid"technographics.email_provider: "google_workspace"technographics.email_pattern: "first.last"hiring.open_roles_total: 4social_profiles.linkedin: "https://www.linkedin.com/company/airtable"company_type: "private"

Lead with names they already trust

See the customers and partners of a company found on the public web, each with the page that proves it.

curl -G https://api.innerfetch.com/api/v1/company/customers \
  -d domain=stripe.com -d include=customers,partners \
  -H "X-API-Key: $INNERFETCH_API_KEY"

Read the API docs

customers[0].name: "Carousell"customers[0].domain: "carousell.sg"customers[0].evidence.url: "https://stripe.com/newsroom/stories/carousell-and-stripe"customers[0].domain_status: "verified"customers[0].source_count: 19customers[1].name: "Edf"customers[1].evidence.url: "https://stripe.com/customers/edf"partners[0].name: "Linear"partners[0].evidence.quote: "Linear partners with Stripe to handle billing and payments."

Know their stack before you pitch

See the vendors that list a company as their customer. Find the gap you fill, or the tool you replace.

curl -G https://api.innerfetch.com/api/v1/company/vendors \
  -d domain=openai.com \
  -H "X-API-Key: $INNERFETCH_API_KEY"

Read the API docs

vendors[0].name: "Clay"vendors[0].domain: "clay.com"vendors[0].evidence.url: "https://www.clay.com/customers"vendors[0].domain_status: "verified"vendors[1].name: "Notion"vendors[1].domain: "notion.com"vendors[1].evidence.url: "https://www.notion.com/customers"vendors[1].card.industry: "Software"

See the market they fight in

Get the companies they compete with, and the reason each one is there. Position against the real alternatives.

curl -G https://api.innerfetch.com/api/v1/company/competitors \
  -d domain=stripe.com \
  -H "X-API-Key: $INNERFETCH_API_KEY"

Read the API docs

competitors[0].name: "Paddle"competitors[0].domain: "paddle.com"competitors[0].reason: "compare_page"competitors[0].evidence.url: "https://www.paddle.com/compare/stripe"competitors[0].basis: "evidenced"competitors[1].name: "Explo"competitors[1].reason: "compare_page"competitors[1].evidence.url: "https://www.explo.co/stripe-vs-explo"

Describe your next customer. Get the list.

Write the market you want in plain words. Get the companies that match, ranked by meaning, not by keywords.

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"

Read the API docs

query: "tools to chase unpaid invoices"results[0].name: "Harvest"results[0].domain: "getharvest.com"results[0].similarity: 0.7536results[1].name: "Midday"results[1].domain: "midday.ai"results[1].similarity: 0.7398results[2].name: "TMetric"results[2].domain: "tmetric.com"

Your whole list, one call

Send up to 50 domains at once. You pay only for the companies we find.

curl https://api.innerfetch.com/api/v1/company/batch \
  -H "Content-Type: application/json" \
  -d '{"domains":["stripe.com","linear.app","not-a-domain"]}' \
  -H "X-API-Key: $INNERFETCH_API_KEY"

Read the API docs

results[0].status: "found"results[0].data.name: "Stripe"results[0].data.industry: "Financial Services"results[1].status: "found"results[1].data.name: "Linear"results[2].status: "invalid"found: 2failed: 1credits_charged: 4

Made for agents and sales teams

Say goodbye to hallucinations

Every customer, partner and competitor comes with a link to the page that names it. Click it and see the proof for yourself. Your agent gets facts with receipts, not guesses.

{
  "name": "Carousell",
  "domain_status": "verified",
  "evidence": {
    "url": "https://stripe.com/newsroom/stories/carousell-and-stripe"
  },
  "source_count": 19
}

Pay only for what we find

Send up to 50 domains and get one result for each. A domain we cannot find costs nothing.

Fresh data when it counts

Old data refreshes in the background. Add fresh=true to ask for a new crawl.

Your agent's new favorite tool

Connect Claude Code, Cursor or VS Code to our MCP server with the same API key. Each tool costs the same as its endpoint.

claude mcp add --transport http innerfetch \
  https://api.innerfetch.com/mcp \
  --header "X-API-Key: $INNERFETCH_API_KEY"

Set up MCP

Pay for what you use

Every call costs a fixed number of credits. Status checks and queued calls are free.

Monthly plans

$49 / month

Starter: 5,000 credits each month.

Credit packs

$29

2,000 credits, valid for 12 months.

At volume

$5.99

for 1,000 credits on the Scale plan.

See full pricing

Start with 200 free credits

Get a free API key See pricing