catalogue / guides

Guides

Guides for AI agents that call grist.tools APIs and pay per call via x402: which endpoint fits the job, what it costs, its limits and a real example.

01How AI agents pay for APIs with x402

Learn the x402 request flow for AI agents: discover payment requirements, sign an authorization, read receipts, and handle deadlines and retries.

02Turning web pages into LLM-ready text

Choose endpoints for article Markdown, cleaned text, page metadata, structured data and links, then chain calls with explicit limits and retry handling.

03Parsing PDF, DOCX, XLSX and EPUB for agents

Choose document endpoints for text, Markdown, JSON and image OCR, then build agent pipelines with explicit extraction limits, costs and retries.

04Audio and video conversion API without ffmpeg servers

Convert audio, extract tracks and captions, inspect media, and generate thumbnails or waveform peaks over HTTP with declared limits and per-call pricing.