Tool detail
list-service
Publishes a provider's x402 endpoint to Ontario Protocol's directory with a readiness report and 30 days of listing maintenance.
Categories: Tool discovery
Use when
- list my x402 API for agent discovery
- publish a readiness report for my paid endpoint
Not for
- not a guarantee of placement, ranking, buyers, or safety
- not for discovering other providers' tools (this only publishes your own)
Inputs
POST JSON body: { name, description, endpoint (uri), price_usdc } (required); optional: method, category, tags, network, buyer_query, mcp_* fields, owner contact/url
Admitted input schema
{
"type": "object",
"properties": {
"asset": {
"type": "string",
"minLength": 0,
"maxLength": 4096
},
"buyer_query": {
"type": "string",
"minLength": 3,
"maxLength": 160,
"description": "One public buyer task used to generate the five-query Bazaar retrieval audit. Never include credentials or private customer text."
},
"category": {
"type": "string",
"minLength": 0,
"maxLength": 80
},
"description": {
"type": "string",
"minLength": 1,
"maxLength": 1000,
"description": "Factual buyer-facing description of the paid outcome."
},
"endpoint": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"format": "uri",
"description": "Provider-owned public HTTPS x402 endpoint."
},
"mcp_remote_url": {
"type": "string",
"minLength": 0,
"maxLength": 500,
"format": "uri",
"description": "Optional public MCP remote. Ontario runs read-only initialize and tools/list; it does not invoke tools or send credentials or payment headers."
},
"mcp_server_json_url": {
"type": "string",
"minLength": 0,
"maxLength": 500,
"format": "uri",
"description": "Optional public MCP Registry record or exact-search JSON URL. Queries are stripped from public evidence."
},
"mcp_server_name": {
"type": "string",
"minLength": 0,
"maxLength": 180,
"description": "Optional exact MCP Registry server name used to select one record."
},
"method": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE"
],
"default": "POST"
},
"name": {
"type": "string",
"minLength": 1,
"maxLength": 120,
"description": "Public service name shown on the provider profile."
},
"network": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Public endpoint network, for example base or eip155:8453."
},
"owner_contact": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"description": "Optional private operator contact; never published."
},
"owner_url": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"format": "uri"
},
"price_atomic": {
"type": "integer",
"minimum": 0,
"maximum": 9007199254740991
},
"price_usdc": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"pattern": "^[0-9]+(?:\\.[0-9]{1,6})?$",
"description": "Public endpoint price in USDC."
},
"source": {
"type": "string",
"minLength": 0,
"maxLength": 4096,
"enum": [
"coinbase_bazaar",
"direct_or_unknown",
"github",
"google_search",
"internal_navigation",
"mcp_registry",
"other_search"
],
"description": "Optional privacy-safe acquisition bucket used only for aggregate funnel attribution; URLs and search queries are not retained."
},
"tags": {
"type": "array",
"items": {
"type": "string",
"minLength": 0,
"maxLength": 48
},
"minItems": 0,
"maxItems": 12
}
},
"required": [
"name",
"description",
"endpoint",
"price_usdc"
],
"additionalProperties": false
}Endpoint
- Method
POST- URL
https://ontarioprotocol.com/api/x402/list-service
Payment
- Protocol
- x402
- Listed price
- 0.5 USDC per call on Base
- Payment method
- exact
- Network
- eip155:8453
- Asset
- 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.
Source
- Directory
- Coinbase x402 Bazaar
- Record
- POST https://ontarioprotocol.com/api/x402/list-service
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z