the402 endpoint detail

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toolbelt402.tpoborne.workers.dev json repair

https://toolbelt402.tpoborne.workers.dev/json/repair

payable

Fix invalid, malformed, or truncated JSON — repairs trailing commas, single quotes, unquoted keys, and cut-off LLM output; returns the parsed object plus corrected JSON text. Deterministic, no LLM.

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
0x06b40bf8Dfdc45049ea7f600c84301E227a2Ca15
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
10 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:14:13.846Z (4d ago)
Category
ai-inference

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftoolbelt402.tpoborne.workers.dev%2Fjson%2Frepair"