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Cello API

The Cello API provides endpoints to:
  • Validate referral codes (ucc)
  • Retrieve active referral links
  • Send referral events for signups and purchases

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Base URLs

Use the URL that matches your environment:
EnvironmentBase URL
Sandboxhttps://api.sandbox.cello.so/
Productionhttps://api.cello.so/

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Authentication

Authenticate API requests using an accessToken in the Authorization header. Obtain your accessKeyId and secretAccessKey from the Access Keys page in your dashboard.