quickleaves API
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B2B Data Enrichment API

Details, customers, partners, vendors and competitors for a given company domain, all in a single API for your AI agents and sales teams.

Get a free API keyRead the docs

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

One domain in. The full picture out.

See all in the docs

Know a given company from its domain

Send a domain. Get the industry, headquarters, headcount, tech stack, open roles and much more in one answer.

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

See who buys from them

Get the customers and partners that a company names on its own pages. Every row comes with the page that proves it.

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

See who sells to them

Get the vendors that list a company as their customer. Know the tools a prospect uses before your first call.

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

Find their competitors

Get competitors from comparison pages first, then companies with a similar profile. Every row tells you why it is there.

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

Enrich 50 domains in one call

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

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

Fifty domains, one call

Send a list and get one result for each domain. You pay only for the companies we find.

Fresh when you ask

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 quickleaves \
  https://api.quickleaves.com/mcp \
  --header "X-API-Key: $QUICKLEAVES_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

Sign up with a work e-mail. No credit card required.

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