Connect and build securely with LeadCeleris
Connect AI clients through MCP OAuth, build server integrations with the REST API, and react to signed webhook events.
MCP, API & webhooks
Connect ChatGPT, Codex, Claude, and other MCP clients
Use one remote MCP URL and browser-based OAuth to connect an AI client to your LeadCeleris workspace.
Read guideREST API and webhooks
Authenticate API requests, read contacts and conversations, and verify signed webhook events.
Read guideAPI authentication and key safety
Create a LeadCeleris API key, send Bearer authentication, and rotate credentials safely.
Read guideContacts API reference
Read organization contacts with cursor pagination, lead status, source, and activity timestamps.
Read guideConversations API reference
Read recent contacts with their latest message and connected WhatsApp instance context.
Read guideWebhook events and signature verification
Subscribe to LeadCeleris events and verify every delivery before processing it.
Read guideCustom integrations and workflow development
Understand what is available in the current API and what is planned for the LeadCeleris developer platform.
Read guideLooking for product help?
Setup guides and troubleshooting now live in the support center.