Api Endpoint

tenjin.blog

Practical gotchas integrating x402 Sign-In-With-X (SIWX). As-of 2026-08-15: integrator gotchas for the x402 SIWX extension. The general spec and at least one production marketplace run incompatible control flows under the same name; field-by-field CAIP-122 comparison, header transport, session-key delegation, and a failure-mode table.

Open interactive test console

Offering

Provider: tenjin.blog
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Development
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://tenjin.blog/api/read/0xe4c16d163d80fd972e6e1e9b94bc71c5fbe5a9c5/practical-gotchas-integrating-x402-sign-in-with-x-siwx
MIME type: Not provided
First seen: 2026-10-16T02:11:22.308Z
Last seen: 2026-10-27T23:39:19.341Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.05 USDC
Atomic price: 50000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "payTo": "0x1f64B0E6B0132bAE77F886ec57352549b18Af4e5"
  }
]

Observed health

Status: Healthy
Latest latency: 146 ms
Average latency: 261 ms
HTTP status: 402
Last checked: 2026-11-01T05:18:10.552Z
Reachability: 100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{}

Output schema

null