email headers derived
api.vextorium.comCommunicationsderived
POST https://api.vextorium.com/v1/email-headers
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 06:12 UTC
- First observed by TOLLderived
- 2026-10-03
- Pricederived
- 0.003 USDC
- Networks
- 5
How has the volume on this endpoint moved?
Among the 1,027 endpoints on api.vextorium.com, email headers is tied 52nd by calls with 481 others.
The request to email headers is a json body with the field headers.
email headers returns json; the example shows for, date, from, hops, subject, verdict and 2 others.
The registry's counters give email headers 3 calls and 3 unique payers over 30 days, every call from a different payer.
email headers was last called 5 days before the snapshot.
The declared price is 0.003 USDC on Base.
For email headers the listing declares 5 accepts on Base, Solana, Polygon, Optimism and 1 other, to 2 different wallets.
email headers is a POST endpoint at api.vextorium.com, listed in the Coinbase registry and filed by TOLL under communications.
email headers answered the sweep of 2026-10-20 with a valid 402, as at every sweep since 2026-10-03.
Closest in price to email headers within communications: data hmac at pyfile-agent.taile3ff35.ts.net and proxy email validate at agentsvc.io.
email headers is among the cheapest in communications; 10% of comparable listings ask less.
Across communications, 935 endpoints carry counters and email headers out-counts 67% of them.
For 1 of the options on email headers, TOLL has no verified decimals and shows the raw amount.
The wallet paid by email headers is the payee of 1,037 endpoints across 3 hosts.
The seller's tags on email headers are email, phishing, spf and dkim.
35 other listings in communications declare exactly the same price.
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 2026-10-20 21:15 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-20 21:15 UTC | pass | 0 | daily-2026-10-20 |
| 2026-10-19 10:33 UTC | pass | 0 | daily-2026-10-19 |
| 2026-10-18 18:40 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-16 08:24 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 10:20 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 08:12 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 13:03 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 10:27 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 09:05 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 17:19 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 10:24 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-08 11:57 UTC | pass | 0 | daily-2026-10-08 |
| 2026-10-07 11:13 UTC | pass | 0 | daily-2026-10-07 |
| 2026-10-06 11:54 UTC | pass | 0 | daily-2026-10-06 |
| 2026-10-05 10:35 UTC | pass | 0 | daily-2026-10-05 |
| 2026-10-04 13:28 UTC | pass | 0 | daily-2026-10-04 |
| 2026-10-03 21:50 UTC | pass | 0 | new-after-daily-2026-10-03 |
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 06:12 UTC · method · live
The input and output block
{
"input": {
"body": {
"headers": "From: Bank <security@bank-example.com>\nReply-To: support@other-domain.ru\nAuthentication-Results: mx.google.com; spf=pass; dkim=fail; dmarc=fail\nSubject: Verify your account"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"for": null,
"date": null,
"from": "Bank <security@bank-example.com>",
"hops": [],
"subject": "Verify your account",
"verdict": "suspicious",
"reply_to": "support@other-domain.ru",
"warnings": [
"DKIM: fail",
"DMARC: fail"
],
"message_id": null,
"return_path": null,
"total_delay_s": 0,
"authentication": {
"spf": "pass",
"dkim": "fail",
"dmarc": "fail"
}
}
}
}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, "email headers on api.vextorium.com", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/api-vextorium-com-v1-email-headers-ad3c25/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-api-vextorium-com-v1-email-headers-ad3c25-2026-10-13T14-08Z,
author = {TOLL},
title = {email headers on api.vextorium.com},
howpublished = {\url{https://tollindex.com/e/api-vextorium-com-v1-email-headers-ad3c25/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.