x402 price index · endpoint

POST https://rail.akrivis.in/v1/tools/get-b2b-invoice/call · tool get-b2b-invoice · source registry · id 2faa4d441e622fff

current quote
0.000999 USDC declared observed 2026-09-11T00:07:35.000Z
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 · 9 obs · change 0.0%
30-day
0.000999 USDC / 0.000999 USDC / 0.000999 USDC min / median / max · 18 obs · change 0.0%
first / last seen
2026-09-06T18:06:01.000Z / 2026-09-11T00:07:34.000Z

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 quoted price badge

[![x402 price](https://index.code402.dev/badge/2faa4d441e622fff.svg)](https://index.code402.dev/e/2faa4d441e622fff)
<a href="https://index.code402.dev/e/2faa4d441e622fff"><img src="https://index.code402.dev/badge/2faa4d441e622fff.svg" alt="x402 quoted price for https://rail.akrivis.in/v1/tools/get-b2b-invoice/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 18 observations, 30 days)

observedquotedassetchainpay tokind
2026-09-11T00:07:35.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-10T18:06:54.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-10T12:06:54.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-10T06:07:07.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-10T00:06:54.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-09T18:06:25.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-09T12:06:24.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-09T06:06:10.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-09T00:06:23.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-08T18:06:22.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-08T12:06:10.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-08T06:06:10.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-08T00:06:00.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-07T18:06:00.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-07T12:06:38.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-07T06:07:07.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-07T00:06:02.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared
2026-09-06T18:06:02.000Z0.000999 USDC0x833589fCD6eDb6E08f4c7C32D4f71b54bdA0291384530xc59c85e661d34084a7769f955d17fd38254a6235declared

Raw JSON: /v1/history · /v1/price