Crisp
Business Operations Free key (no card)
AuthenticationFree key (no card)
Rate limitRate limits depend on token type; developer testing tokens have lower limits than production tokens
Documentation: docs.crisp.chat ยท Checked Sep 13, 2026
About
Crisp is a customer messaging platform with a $0 free plan and a 14-day trial of paid features. Its REST API and developer docs cover conversations, contacts, and website settings. Developer testing tokens have lower limits than production keys, so check the token types before scaling.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: Rate limits depend on token type; developer testing tokens have lower limits than production tokens
Verified: 2026-09-13
Best for: live-chat support messaging
Setup
- Sign up for a free Crisp account
- Open Settings > Integrations > API to create a plugin
- Generate your REST API identifier and key
- Use a developer testing token while building
- Call endpoints like /v1/website/WEBSITE_ID/conversations with basic auth
- Upgrade to a production token before launching
Example
GET https://api.crisp.chat/v1/website/WEBSITE_ID/conversations/1 with basic auth IDENTIFIER:KEYUse cases
- Pull support conversations into an internal dashboard
- Automate visitor follow-ups based on chat events
- Sync contact profiles with your CRM