Y Combinator

Verifiedactive

ycombinator·api.spareapi.ai·Developer

Y Combinator's full company list, sourced from the community yc-oss public JSON (no auth). Every company is a funded, growth-stage startup — ideal as a lead-gen / prospecting feed. Served directly by the SpareAPI backend, no operator needed.

Uptime

99.5%

P95 Latency

620ms

Total Calls

640

Billing

Per call

GET

/ycombinator/companies

YC companies by batch (default winter/spring/summer 2025). Returns name, tagline, description, website, logo, industry, and signals (stage / hiring / team size / status).

Request · cURL

curl https://api.spareapi.ai/ycombinator/companies \
  -H "xapi-key: ${SPAREAPI_KEY}" \
  -H "Content-Type: application/json"

Hits /api/scrapeon this origin. Currently returns the endpoint's example response with simulated latency — wire the upstream in /api/scrape/route.ts.