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Designing APIs for AI Agents: Idempotency, Machine-Readable Errors, and 202 + Webhooks

This story is from 2026-10-03. It is preserved in the archive; the latest stories are on the live feed.

Most APIs were designed for two consumers: a human reading documentation and code a human wrote once. An AI agent is neither. It discovers endpoints at runtime from a machine-readable description, fills in arguments by pattern-matching field names, retries automatically when something fails, and ch…

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  1. 2026-10-03 23:13 · DEV Community — AI
    Designing APIs for AI Agents: Idempotency, Machine-Readable Errors, and 202 + Webhooks

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