Search / market.payapi/marketplace
protogridR0· no sign-inSearch settlement-verified x402 APIs. Discovery is free. Agents pay the provider in USDC on Base.
v1.0.1 · active · website · descriptor JSON · versions
{
"mcpServers": {
"marketplace": {
"type": "http",
"url": "https://payapi.market/mcp"
}
}
}claude mcp add --transport http marketplace https://payapi.market/mcp[mcp_servers.marketplace]
url = "https://payapi.market/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"marketplace": {
"type": "remote",
"url": "https://payapi.market/mcp",
"enabled": true
}
}
}{
"mcpServers": {
"marketplace": {
"type": "http",
"url": "https://payapi.market/mcp"
}
},
"deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=marketplace&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcGF5YXBpLm1hcmtldC9tY3AifQ%3D%3D"
}{
"servers": {
"marketplace": {
"type": "http",
"url": "https://payapi.market/mcp"
}
}
}{
"mcpServers": {
"marketplace": {
"httpUrl": "https://payapi.market/mcp"
}
}
}extensions:
"marketplace":
enabled: true
name: "marketplace"
type: streamable_http
uri: "https://payapi.market/mcp"
timeout: 300
protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28protocol.statelessonly applies to 2026-07-28 serversprotocol.transportstreamable HTTPprotocol.list_ttlonly applies to 2026-07-28 serversauth.prm, auth.as_metadata, auth.cimdno remote uses OAuthauth.secret_in_urlno templated URLtools.descriptionsevery tool has a descriptiontools.description_lengthdescriptions are concisetools.schemasevery tool has an object input schematools.annotations3 of 3 tools declare readOnlyHint or destructiveHinttools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHinttools.token_costabout 707 tokens to load every tooltools.api_dumptools are not a one-to-one API dumpstability.changes8 tool changes in 30 daysstability.rug_pullno tool changed its meaning under the same namedeps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI packagelist_apischangedinput schemasearch_apischangedinput schemalist_apischangedinput schemasearch_apischangedinput schemaget_apichangeddescriptionFetch a single live listing by its id or slug, including base_url, price range, network and verification state. Also returns a reliability object: score (0 to 100 or null), band (strong, established, thin, caution or unscored) and computed_at. Reliability is a running score from paid verifications, health history and payTo integrity, not a star rating and not a guarantee; unscored means it has not been computed for that listing yet. Method: https://payapi.market/how-an-agent-finds-payapi. Returns the listing whether or not it is verified, and reports payment_verified honestly. Free and read-only; spends nothing.
Fetch a single live listing by its id or slug, including base_url, price range, network and verification state. payment_verified is true if at least one route was paid; verified_routes names each paid route with its on-chain receipt. Also returns a reliability object: score (0 to 100 or null), band (strong, established, thin, caution or unscored) and computed_at. Reliability is a running score from paid verifications, health history and payTo integrity, not a star rating and not a guarantee; unscored means it has not been computed for that listing yet. Method: https://payapi.market/how-an-agent-finds-payapi. Returns the listing whether or not it is verified, and reports payment_verified honestly. Free and read-only; spends nothing.
get_apichangedannotationslist_apischangedannotationssearch_apischangedannotationsFull history: list_changes · trend: quality JSON.
Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.
+dns-namespace +website +reachable +uptime-100% ~updated-42d-ago -no-repository
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
| remote | auth | reachable | uptime 30d | p50 | protocol | last ok |
|---|---|---|---|---|---|---|
https://payapi.market/mcp streamable-http | none | yes | 100% | 277 ms | 2025-06-18 | 2026-10-20 |
get_apiread-only | Fetch a single live listing by its id or slug, including base_url, price range, network and verification state. payment_verified is true if at least one route was paid; verified_routes names each paid route with its on-chain receipt. Also returns a reliability object: score (0 to 100 or null), band (strong, established, thin, caution or unscored) and computed_at. Reliability is a running score from paid verifications, health history and payTo integrity, not a star rating and not a guarantee; unscored means it has not been computed for that listing yet. Method: https://payapi.market/how-an-agent-finds-payapi. Returns the listing whether or not it is verified, and reports payment_verified honestly. Free and read-only; spends nothing. |
list_apisread-only | Browse the live catalogue, optionally filtered to one category. Omit category for everything. Returns settlement-verified listings only unless verified_only is false. Free and read-only; spends nothing. |
search_apisread-only | Free-text search across the live catalogue. Matches listing name, description, category and provider name. Returns settlement-verified listings only unless verified_only is false. Free and read-only; spends nothing. |
Schemas: list_tools.
{
"name": "market.payapi/marketplace",
"title": "PayAPI Market",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://payapi.market/mcp",
"type": "streamable-http"
}
],
"version": "1.0.1",
"websiteUrl": "https://payapi.market",
"description": "Search settlement-verified x402 APIs. Discovery is free. Agents pay the provider in USDC on Base."
}