x402 price index · endpoint

POST https://rail.akrivis.in/v1/tools/iban-check/call · tool iban-check · source registry · id c6bf9c043cc896f8

current quote: 0.000999 USDC declared observed 2026-09-15T18:00:38.000Z
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: 2026-09-03T14:19:14.000Z / 2026-09-15T18:00:37.000Z

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/c6bf9c043cc896f8.svg)](https://index.code402.dev/e/c6bf9c043cc896f8)

<a href="https://index.code402.dev/e/c6bf9c043cc896f8"><img src="https://index.code402.dev/badge/c6bf9c043cc896f8.svg" alt="x402 quoted price for https://rail.akrivis.in/v1/tools/iban-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
2026-09-15T18:00:38.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T12:00:52.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T06:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-15T00:00:32.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T18:00:32.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T12:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T06:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-14T00:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T18:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T12:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T06:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-13T00:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T18:00:33.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T12:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T06:01:09.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-12T00:00:21.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T18:00:11.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T12:01:32.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T06:01:03.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-11T00:01:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T18:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T12:00:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T06:00:36.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-10T00:01:24.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T18:00:55.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T12:00:54.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T06:00:40.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-09T00:00:51.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T18:08:21.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T18:00:51.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T12:00:40.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T06:00:40.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-08T00:00:29.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T18:00:30.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T12:01:08.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T06:01:38.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-07T00:00:42.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T18:00:42.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T12:00:18.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T06:01:03.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-06T00:01:00.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T18:01:01.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T12:00:36.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T06:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-05T00:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T18:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T12:00:05.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T06:00:05.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-04T00:00:04.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T18:00:06.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared
2026-09-03T14:19:14.000Z	0.000999 USDC	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	8453	0xc59c85e661d34084a7769f955d17fd38254a6235	declared

Raw JSON: /v1/history · /v1/price