Public developer platform · API v1

Build prompt intelligence into any workflow.

Use the PrompTessor API from your application, connect agents through MCP, and keep asynchronous systems synchronized with signed webhooks.

Generate a production-ready promptcURL
curl https://api.promptessor.com/v1/prompts/generate \
  -H "Authorization: Bearer $PROMPTESSOR_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: generate-001" \
  -d '{
    "message": "Create a launch campaign brief",
    "outputMode": "ready_to_use",
    "targetModel": "Universal",
    "language": "en"
  }'

Integration surfaces

One platform, three ways to integrate

All surfaces use the same PrompTessor account, product credits, history, and Prompt Library.

Implementation-first guides

Exact request fields, scopes, error handling, asynchronous flows, and end-to-end examples.

Production security

OAuth with PKCE, scoped API keys, idempotency, request IDs, HMAC signatures, and secret rotation.

Client-specific MCP setup

Guided setup for major hosted, desktop, CLI, editor, and manual MCP clients.

Ready to integrate?

Begin with the quickstart, then select only the scopes your integration needs.