x402 price index · endpoint

POST https://code402.dev/v1/tools/gstin-check/call · tool gstin-check · source self · id c122d71c7214b037

current quote: 0.000999 USDC declared observed 2026-09-12T06:06:47.000Z
percentile: P55 of 197 indexed USDC quotes (share quoting at or below this one; P0 = cheapest)
inflation flag: no (latest quote ≤ 1.5× the 30-day median)
7-day: 0.000999 USDC / 0.000999 USDC / 0.000999 USDC min / median / max · 14 obs · change 0.0%
30-day: 0.000999 USDC / 0.000999 USDC / 0.000999 USDC min / median / max · 35 obs · change 0.0%
first / last seen: 2026-09-03T13:20:42.000Z / 2026-09-12T06:06:47.000Z

Embed the badge

The badge is served from this index with a 1-hour cache and reads "unknown" whenever there is no data. It links back here so anyone can see the history behind the number.

[![x402 price](https://index.code402.dev/badge/c122d71c7214b037.svg)](https://index.code402.dev/e/c122d71c7214b037)

<a href="https://index.code402.dev/e/c122d71c7214b037"><img src="https://index.code402.dev/badge/c122d71c7214b037.svg" alt="x402 quoted price for https://code402.dev/v1/tools/gstin-check/call"></a>

Verify a receipt

Paste the XDR-1 receipt JSON a paid call returned (the X-Receipt header, base64-decoded, or the receipt object inside it). The signer is recovered offline and compared with the signer https://code402.dev publishes in /.well-known/x402.json. Nothing is sent anywhere else.

Price history (last 35 observations, 30 days)

observed	quoted	asset	chain	pay to	kind
2026-09-12T06:06:47.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T00:06:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T18:05:50.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T12:07:12.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T06:06:42.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T00:06:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T18:05:43.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T12:05:43.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T06:05:54.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T00:05:44.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T18:05:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T12:05:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T06:04:59.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T00:05:10.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T18:05:10.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T12:05:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T06:05:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T00:04:48.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T18:04:48.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T12:04:48.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T06:05:32.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T00:05:09.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T18:05:10.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T12:04:45.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T06:04:13.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T00:04:13.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T18:04:13.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T12:04:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T06:04:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T00:04:13.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T18:04:15.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T14:23:23.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T14:12:10.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T14:04:10.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T13:56:57.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared

Raw JSON: /v1/history · /v1/price