the402 endpoint detail

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touchstone.locomot.io diff

https://touchstone.locomot.io/diff

answers 402

Exact structured diff. mode=text -> unified diff + line counts; mode=json -> an RFC 6902 JSON Patch (RFC 6901 pointers) that round-trips a->b; mode=words -> inline word-level opcodes. For large inputs use POST. Every answer signed. Free sample, no payment required: GET /play/diff

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xa3091005a76b1480F1897a9D0C2e1c55B7767674
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
205 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:19:35.661Z (20d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftouchstone.locomot.io%2Fdiff"