Catalog/meta-instructions

Agent setup instructions API

Free llms.txt-style onboarding instructions for agents: how to discover endpoints, use x402 payment flows, and start calling the service safely.

Price$0.0per request

MethodGET

Route/v1/instructions

StatusLive

MIME typeapplication/json

Rate limit20/minute

Cache300s public

metainstructionsllms.txtonboardingagentsx402setup

API URLhttps://x402.hexl.dev/v1/instructions

Integration docs

Example response

{
  "format": "llms.txt",
  "llmsTxt": "# x402 Marketplace API\n\nUse /v1/search to find endpoints and /v1/catalog for full metadata.",
  "rateLimit": {
    "requests": 20,
    "window": "minute"
  },
  "updatedAt": "2026-06-03"
}

Input schema

{
  "type": "object",
  "properties": {}
}

Output schema

{
  "type": "object",
  "required": [
    "format",
    "llmsTxt",
    "rateLimit",
    "updatedAt"
  ],
  "properties": {
    "format": {
      "type": "string"
    },
    "llmsTxt": {
      "type": "string"
    },
    "rateLimit": {
      "type": "object",
      "additionalProperties": true
    },
    "updatedAt": {
      "type": "string"
    }
  }
}