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API reference

LatestRounds API

Access funding rounds, company enrichment, signals, investors, and categories from one API. Browse endpoints from the left sidebar to open a dedicated page per endpoint.

Authentication

Use a dashboard-generated API key on every request: Authorization: Bearer YOUR_API_KEY.

Rate and limits

Per-minute burst limits, monthly quota, and page-size caps are enforced by plan.

Base URL

https://latestrounds.com/api/v1

Public test endpoint

Validate Zapier/Make/Airtable/Sheets integrations without signup using a disposable test key and one-time URL.

Rules

  • One public test link per endpoint family per IP.
  • Single-use only.
  • Expires in 15 minutes.
  • Hard limit of 10 rows per call.

Generate Public Test Key

One disposable key/link per endpoint family per IP.

Step 1 - Create one-time test link
curl -s "https://latestrounds.com/api/v1/test/once" \
  -H "Content-Type: application/json" \
  -d '{
    "endpoint": "/api/v1/funding",
    "params": { "country": "US", "limit": 10 }
  }'
Step 2 - Call the returned test URL once
curl -s "https://latestrounds.com/api/v1/test/once/<token_from_previous_response>"