Discovery pack

One place for agents to discover, inspect, and decide.

Action402 publishes well-known manifests, OpenAPI, Bazaar metadata, llms.txt, robots.txt, and sitemap.xml so autonomous agents can find the paid route without scraping prose.

Agent Manifest Well-Known JSON x402 Fallback Cookbooks Built With llms.txt Sitemap

Machine entry points

Prefer structured discovery before payment.

Agents should read these endpoints, compare price/network/route against buyer policy, then use x402 only for the paid execution primitive.

json

GET /api/agent-manifest

Canonical service card with paid action, free surfaces, safety, verification, and trust links.

json

GET /.well-known/agent.json

Well-known alias for crawlers and agent directories that look in standard locations.

json

GET /.well-known/x402

x402scan-compatible fallback alias for crawlers that probe x402 well-known discovery.

text

GET /llms.txt

Compact plain-text context for LLM agents and discovery-first clients.

html

GET /cookbooks

Copy-paste recipes for common paid agent workflows.

html

GET /built-with-action402

Ecosystem entries, starter integrations, and listing rules.

xml

GET /sitemap.xml

Browser and machine surfaces indexed in one sitemap.

Agent shortcut

Minimum discovery flow.

This keeps buyer logic deterministic: discover, inspect, preflight, pay, verify.

GET /.well-known/x402
GET /.well-known/agent.json
GET /api/quickstart
GET /cookbooks
POST /api/policy/check
POST /api/execute/webhook  # x402 paid
GET /api/verify/jobs/{id}