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ClassFlow developers

Build on the studio's source of truth.

Choose the integration level that fits the project. A studio can use the visual builder, the server-to-server API, or both. Every path stays bound to the same studio-owned records.

No-code embeds

Build conditional forms, lead capture, schedules, and booking flows in ClassFlow, then add them to a site with JavaScript or an iframe.

Read guide

Partner API

Read studio data and perform explicitly scoped lead, member, form, and booking actions from a trusted server.

Read guide

Signed webhooks

Receive durable lifecycle events with HMAC verification, retries, attempt history, replay, and dead letters.

Read guide

Your first API request

  1. 1. In ClassFlow, open Settings → Developer.
  2. 2. Create a test key with only the scopes you need.
  3. 3. Store the one-time key in your server's secret manager.
  4. 4. Send it as X-ClassFlow-Key.
curl https://api.getclassflow.com/partner/v1/studio \
  -H "X-ClassFlow-Key: $CLASSFLOW_API_KEY"

Contract at a glance

Base URLhttps://api.getclassflow.com/partner/v1
AuthenticationServer-only API key in X-ClassFlow-Key
Version2026-08-02 (Partner API v1)
PaginationOpaque resource cursor with a maximum page size of 200
Rate limits120 requests per minute and 30 requests per 10 seconds, per credential
FormatsJSON requests and responses; ISO 8601 UTC timestamps