the402 endpoint detail

← All endpoints

agent.halowerk.com v1 mcp-inspect

https://agent.halowerk.com/v1/mcp-inspect

answers 402

Performs the MCP handshake against a streamable-HTTP endpoint and then reads the catalogue: tools with their input schemas, resources with their URIs and mime types, and prompts with their arguments. Servers answering as an event stream are handled as well as plain JSON, and a session id is carried across calls. Only listing methods are sent — no tool of the inspected server is ever executed, noth

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.005
Network
base
Pay to
0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
494 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:39:16.766Z (2h ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent.halowerk.com%2Fv1%2Fmcp-inspect"