Introduction - Cello

Cello API

The Cello API provides endpoints to:

Validate referral codes (ucc)
Retrieve active referral links
Send referral events for signups and purchases

Base URLs

Use the URL that matches your environment:

Environment	Base URL
Sandbox	`https://api.sandbox.cello.so/`
Production	`https://api.cello.so/`

Authentication

Authenticate API requests using an accessToken in the Authorization header. Obtain your accessKeyId and secretAccessKey from Developers → Access keys in your dashboard.

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