passlisted in Coinbase#81 by calls of 148 on this host
0.02 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-10-03 06:54 UTC
- First observed by TOLLderived
- 2026-10-01
- Pricederived
- 0.02 USDC
- Networks
- 3
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 2 times across 34 observations, and 3 changes are the fewest this site will draw a trace through, because two points and a guess are not a series. Every observation is in the JSON.
api.xynaptic.io lists 148 endpoints; fiat usdc rate is tied 81st by calls with 14 others.
Its declared input names no parameters.
A response from fiat usdc rate, as declared, includes service, summary, currency, best_rail, coinbase_spot and rail_fees_usd.
fiat usdc rate drew 2 calls from one payer in the trailing 30 days.
The last call to fiat usdc rate came 10 days before the snapshot, 2026-10-03.
Each call is priced at 0.02 USDC, payable on Base.
fiat usdc rate accepts payment on Base, a Solana network and Polygon, 3 options in all, to 3 different wallets.
TOLL files fiat usdc rate under the "other" category: a GET endpoint on api.xynaptic.io, listed in the Coinbase registry.
fiat usdc rate answered the sweep of 2026-10-24 with a valid 402, as at every sweep since 2026-10-02.
Closest in price to fiat usdc rate within the "other" category: exchange rate at api.strale.io and horror story at horrorstoryapi.vercel.app.
fiat usdc rate is priced above 84% of comparable listings in the "other" category.
For 1 of the options on fiat usdc rate, TOLL has no verified decimals and shows the raw amount.
The wallet paid by fiat usdc rate is the payee of 151 endpoints on one host.
The price of fiat usdc rate is declared by 149 other listings in the "other" category too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.02 USDC | exact | 0x4ff893…a4D5e9 |
| Coinbase | solana: | USD Coin | 20000 smallest units, decimals unknown | exact | Aq6J1zBh…4iFfed |
| Coinbase | eip155: | USDC | 0.02 USDC | exact | 0x3E3993…82F2C6 |
the checks, as of 2026-10-24 22:26 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-24 22:26 UTC | pass | 0 | daily-2026-10-24 |
| 2026-10-23 07:46 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-22 06:02 UTC | pass | 0 | daily-2026-10-22 |
| 2026-10-21 10:22 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-20 09:54 UTC | pass | 0 | daily-2026-10-20 |
| 2026-10-19 07:30 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-18 09:37 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-17 19:43 UTC | pass | 0 | daily-2026-10-17 |
| 2026-10-16 05:48 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 07:29 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 05:40 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 10:18 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 07:39 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 06:13 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 14:22 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 06:46 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-08 08:14 UTC | pass | 0 | daily-2026-10-08 |
| 2026-10-07 07:29 UTC | pass | 0 | daily-2026-10-07 |
| 2026-10-06 08:17 UTC | pass | 0 | daily-2026-10-06 |
| 2026-10-05 07:37 UTC | pass | 0 | daily-2026-10-05 |
| 2026-10-04 10:14 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-03 05:10 UTC | pass | 0 | daily-2026-10-03 |
| 2026-10-02 14:27 UTC | pass | 0 | daily-2026-10-02 |
| 2026-10-02 12:15 UTC | pass | 0 | new-after-daily-2026-10-01 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-10-03 06:54 UTC · method · live
The input and output block
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"service": "fiat-usdc-rate",
"summary": "1 USDC = 0.8894 EUR (spread 0.01%) — best rail: Base, fees ~0.01 USD.",
"currency": "EUR",
"best_rail": "Base",
"coinbase_spot": 0.8894,
"rail_fees_usd": 0.01
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "fiat usdc rate on api.xynaptic.io", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/api-xynaptic-io-v1-fiat-usdc-rate-4c15dc/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-api-xynaptic-io-v1-fiat-usdc-rate-4c15dc-2026-10-13T14-08Z,
author = {TOLL},
title = {fiat usdc rate on api.xynaptic.io},
howpublished = {\url{https://tollindex.com/e/api-xynaptic-io-v1-fiat-usdc-rate-4c15dc/at/2026-10-13T14-08Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.