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The check_endpoint_schema tool inspects an endpoint to learn its price, supported methods, input/output schema, and auth mode without making a payment. Equivalent CLI command: npx agentcash check <url>

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Parameters

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url
string
required
The endpoint URL to check.
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method
string
Specific HTTP method to probe. If omitted, AgentCash probes multiple methods and checks the OpenAPI spec.
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headers
string[]
Additional headers to include. Each entry must use Name: value format.

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Response

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price
string
Cost per request in USDC.
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methods
string[]
Supported HTTP methods (GET, POST, etc.).
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inputSchema
object
Expected request body format (JSON schema).
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outputSchema
object
Response body format (JSON schema).
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authType
string
Authentication mode: x402, siwx, mpp, or none.

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Behavior

  1. Sends a probe request to the endpoint
  2. Reads the 402 Payment Required response for pricing and auth details
  3. Fetches the OpenAPI spec (if available) for schema information
  4. Probes multiple HTTP methods in parallel to determine which are supported
  5. Returns all metadata without making a payment

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Example

Ask your agent:
Check the pricing and schema for https://stableenrich.dev/api/company/lookup using AgentCash.