API Reference

LLM-ready reference

The entire API reference is available as a single plain-text markdown file at /docs/llm.txt. This follows the emerging llms.txt standard for exposing API documentation to LLMs and coding agents. Paste it into your coding agent, ChatGPT, Claude, or any LLM and it can write API calls for you.

Base URL

Authentication

All API requests require a Bearer token in the Authorization header. You can create and manage API keys from your account settings.

Authorization: Bearer YOUR_API_KEY

Rate Limits

The API enforces rate limits per IP address. These are intentionally generous since most API usage involves creating and managing entities like projects, journeys, and schedules rather than high-frequency polling. You are unlikely to hit these limits during normal usage.

• 30 requests per second per IP address, with a burst allowance of 50 requests that are processed immediately.
• 10 concurrent connections per IP address.
• HTTP 429 Too Many Requests is returned when you exceed the limit. If you do hit it, implement exponential backoff and retry after a short delay.

Response Format

All responses are JSON. Successful requests return a 2xx status code. Error responses include a message field describing what went wrong.

{ "message": "project not found" }

Resources