passlisted in Coinbase#52 by calls of 1,027 on this host
0.003 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
- 3
- Unique payers, trailing 30 days
- 3
- Last called
- 2026-10-08 06:10 UTC
- First observed by TOLLderived
- 2026-10-04
- Pricederived
- 0.003 USDC
- Networks
- 5
How has the volume on this endpoint moved?
Of api.vextorium.com's 1,027 listings, us grants ranks tied 52nd by calls with 481 others.
us grants takes a json body with the fields limit and search.
A response from us grants, as declared, includes calls, total, agency, search, source and status.
us grants drew 3 calls from 3 unique payers in the trailing 30 days, every call from a different payer.
us grants was last called 5 days before the snapshot.
On Base, us grants asks 0.003 USDC per call.
us grants accepts payment on Base, Solana, Polygon, Optimism and 1 other, 5 options in all, to 2 different wallets.
TOLL files us grants under market data: a POST endpoint on api.vextorium.com, listed in the Coinbase registry.
us grants answered the sweep of 2026-10-29 with a valid 402, as at every sweep since 2026-10-04.
Closest in price to us grants within market data: payment at www.api-xpay.com and enrich company at win.oneshotagent.com.
us grants is priced above 13% of comparable listings in market data.
Across market data, 8,872 endpoints carry counters and us grants out-counts 53% of them.
TOLL cannot price 1 of the options in units, lacking verified decimals for their assets.
The wallet paid by us grants is the payee of 1,037 endpoints across 3 hosts.
Seller tags: grants, funding, government and research.
The price of us grants is declared by 648 other listings in market data too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0xb9f06D…b71aCf |
| Coinbase | solana: | USDC | 0.003 USDC | exact | HcjfmZLg…yt3pz2 |
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0xb9f06D…b71aCf |
| Coinbase | eip155: | USDC | 0.003 USDC | exact | 0xb9f06D…b71aCf |
| Coinbase | eip155: | GatewayWalletBatched | 3000 smallest units, decimals unknown | exact | 0xb9f06D…b71aCf |
the checks, as of 2026-10-29 12:14 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-29 12:14 UTC | pass | 0 | daily-2026-10-29 |
| 2026-10-28 12:40 UTC | pass | 0 | daily-2026-10-28 |
| 2026-10-27 12:17 UTC | pass | 0 | daily-2026-10-27 |
| 2026-10-23 12:51 UTC | pass | 0 | daily-2026-10-23 |
| 2026-10-21 22:08 UTC | pass | 0 | daily-2026-10-21 |
| 2026-10-19 12:31 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-16 10:14 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 12:13 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 10:06 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 15:25 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 12:27 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 11:03 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 19:12 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 12:51 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-08 14:44 UTC | pass | 0 | daily-2026-10-08 |
| 2026-10-07 13:54 UTC | pass | 0 | daily-2026-10-07 |
| 2026-10-06 14:24 UTC | pass | 0 | daily-2026-10-06 |
| 2026-10-05 12:35 UTC | pass | 0 | daily-2026-10-05 |
| 2026-10-04 15:03 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-04 08:17 UTC | pass | 0 | new-after-daily-2026-10-04 |
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 2026-10-08 06:10 UTC · method · live
The input and output block
{
"input": {
"body": {
"limit": 2,
"search": "artificial intelligence"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"calls": [
{
"link": "https://www.grants.gov/search-results-detail/361050",
"open": "10/02/2026",
"close": "05/28/2027",
"title": "Centers for Structural Biology of HIV and Other Infectious Diseases (U54 Clinical Trial Not Allowed)",
"agency": "National Institutes of Health",
"number": "RFA-AI-28-031",
"status": "posted",
"agency_code": "HHS-NIH11"
},
{
"link": "https://www.grants.gov/search-results-detail/364017",
"open": "10/01/2026",
"close": "",
"title": "Foundations for Operating the National Artificial Intelligence Research Resource: the NAIRR Operations Center (NAIRR-OC)",
"agency": "U.S. National Science Foundation",
"number": "25-546",
"status": "posted",
"agency_code": "NSF"
}
],
"total": 150,
"agency": null,
"search": "artificial intelligence",
"source": "Grants.gov (US Government, public domain)",
"status": "open"
}
}
}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, "us grants on api.vextorium.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/api-vextorium-com-v1-us-grants-f03d78/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-api-vextorium-com-v1-us-grants-f03d78-2026-10-13T14-08Z,
author = {TOLL},
title = {us grants on api.vextorium.com},
howpublished = {\url{https://tollindex.com/e/api-vextorium-com-v1-us-grants-f03d78/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.