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Tenjin: Practical Gotchas Integrating x402 Sign-In-With-X (SIWX)
x402
Tenjin: Practical Gotchas Integrating x402 Sign-In-With-X (SIWX) is a paid API for AI agents from tenjin.blog, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns a pay-per-read technical article detailing integration gotchas for the x402 SIWX extension, including CAIP-122 field comparisons, header transport, session-key delegation, and a failure-mode table.
Price / call$0.01
Success—
StatusUnknown
How this service works
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.
Output
The full text of a technical article covering: incompatible control flows between the x402 SIWX general spec and production marketplaces, field-by-field CAIP-122 comparison, header transport details, session-key delegation mechanics, and a structured failure-mode table — dated 2026-08-15.
Example use cases
Debug SIWX control flow mismatch
“I'm getting weird authentication failures on my x402 marketplace — can you fetch the Tenjin article on SIWX gotchas so I can check whether I'm hitting the spec vs production control flow incompatibility issue?”
Reference CAIP-122 field differences
“I need the field-by-field CAIP-122 comparison from that Tenjin SIWX integration gotchas article — specifically the differences between the general spec and what production marketplaces actually send.”
Understand session-key delegation in x402
“Can you get me the Tenjin piece on x402 SIWX integration gotchas? I want to understand how session-key delegation is supposed to work and what the common failure modes are.”
Technical details
Endpoint
GEThttps://tenjin.blog/api/read/0xe4c16d163d80fd972e6e1e9b94bc71c5fbe5a9c5/practical-gotchas-integrating-x402-sign-in-with-x-siwxWhen to prefer
Choose this endpoint when you need the specific Tenjin article on x402 SIWX integration gotchas — particularly for CAIP-122 field-level differences, session-key delegation, header transport, or a failure-mode reference table. Prefer this over general web search when you want a curated, publisher-cited technical reference accessed via pay-per-read x402 micropayment.
Side effects
- Payment not completed or declined — 402 response with payment instructions required before content is served
- Invalid wallet address handle — returns error if the address format is malformed
- Slug not found — 404 if the article slug does not match any published piece for that creator
- Network timeout — slow or dropped connection before content delivery
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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