x402 price index · endpoint

POST https://rail.akrivis.in/v1/tools/vat-mod97-check/call · tool vat-mod97-check · source registry · id 658cf1d7da1961cc

current quote: 0.000999 USDC declared observed 2026-09-15T18:00:58.000Z
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 · 28 obs · change 0.0%
30-day: 0.000999 USDC / 0.000999 USDC / 0.000999 USDC min / median / max · 51 obs · change 0.0%
first / last seen: 2026-09-03T14:19:34.000Z / 2026-09-15T18:00:57.000Z

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/658cf1d7da1961cc.svg)](https://index.code402.dev/e/658cf1d7da1961cc)

<a href="https://index.code402.dev/e/658cf1d7da1961cc"><img src="https://index.code402.dev/badge/658cf1d7da1961cc.svg" alt="x402 quoted price for https://rail.akrivis.in/v1/tools/vat-mod97-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://rail.akrivis.in publishes in /.well-known/x402.json. Nothing is sent anywhere else.

Price history (last 51 observations, 30 days)

observed	quoted	asset	chain	pay to	kind
2026-09-15T18:00:58.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T12:01:12.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T06:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T00:00:51.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T18:00:52.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T12:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T06:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T00:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T18:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T12:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T06:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T00:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T18:00:53.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T12:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T06:01:29.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T00:00:41.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T18:00:31.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T12:01:52.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T06:01:23.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T00:01:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T18:00:44.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T12:00:44.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T06:00:56.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T00:01:44.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T18:01:15.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T12:01:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T06:01:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T00:01:12.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T18:08:42.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T18:01:11.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T12:01:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T06:01:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T00:00:49.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T18:00:50.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T12:01:28.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T06:01:58.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T00:01:02.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T18:01:02.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T12:00:38.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T06:01:23.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T00:01:20.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T18:01:21.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T12:00:56.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T06:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T00:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T18:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T12:00:25.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T06:00:25.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T00:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T18:00:26.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T14:19:34.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared

Raw JSON: /v1/history · /v1/price