the402 endpoint detail

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gateway.sanfoundation.com v1 agents

https://gateway.sanfoundation.com/x402/v1/agents

answers 402

List or search SAN agents. Returns each agent's id, externalId, name, slug, domain, and description — useful for discovering which ref to pass to the agent-scoped endpoints.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x16B5fE729f2Ca544B309844F75e8429ab45151Ae
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
91 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:26:20.800Z (1h ago)
Category
search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgateway.sanfoundation.com%2Fx402%2Fv1%2Fagents"