email spf alignment check derived

api.delx.aiCommunications derived

POST https://api.delx.ai/api/v1/x402/email-spf-alignment-check

passlisted in Coinbase#14 by calls of 81 on this host

0.001 USDC

per call, as the listing declares it on eip155:8453

Compare with another Every figure as JSON Cite this page

the price, as of 2026-10-04 21:22 UTC · method · pinnable

Validation state: pass; as of 2026-10-04 14:05 UTC · method · pinnable · sweep daily-2026-10-04
Uptime, 7 / 30 / 90 days: 100% / 100% / 100%; as of 2026-10-04 14:05 UTC · method · pinnable · 6 of 6 in 7d, 10 of 10 in 30d, 10 of 10 in 90d
Calls, trailing 30 days: 1; as of 2026-10-04 21:22 UTC · method · pinnable
Unique payers, trailing 30 days: 1; as of 2026-10-04 21:22 UTC · method · pinnable
Last called: 2026-09-19 16:02 UTC; as of 2026-10-04 21:22 UTC · method · pinnable
First observed by TOLLderived: 2026-09-19; as of 2026-09-19 20:39 UTC · method · pinnable · observation began 10 September 2026; listings that predate it show that date
Pricederived: 0.001 USDC; as of 2026-10-04 21:22 UTC · method · pinnable · on eip155:8453
Networks: 2; as of 2026-10-04 21:22 UTC · method · pinnable

Counters

54 observations, 1 of them a change, fewer than the 3 a trace needs

How big is this endpoint among the ones like it?

Calls counted in the trailing thirty days across the 985 endpoints in Communications that carry counters, binned on a logarithmic scale because the range runs over five orders of magnitude. The marked bin is this endpoint, at 1: 380 in the category are counted higher and 604 lower.

No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 54 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.

In words

Of api.delx.ai's 81 listings, email spf alignment check ranks tied 14th by calls with 67 others.

The request to email spf alignment check is a json body with the fields mode, from_domain and mail_from_domain.

A response from email spf alignment check, as declared, includes result, schema, status, evidence and operation.

email spf alignment check drew a single call from a single payer in the trailing 30 days.

The last call to email spf alignment check came 15 days before the snapshot, 2026-09-19.

A call to email spf alignment check costs 0.001 USDC on Base, as declared.

email spf alignment check accepts payment on Base and Solana, 3 options in all, to 2 different wallets.

At api.delx.ai, email spf alignment check takes POST requests, is listed in the Coinbase registry, and falls under communications by TOLL's rules.

email spf alignment check answered the sweep of 2026-10-04 with a valid 402, as at every sweep since 2026-09-20.

Closest in price to email spf alignment check within communications: users relationship at surf.cascade.fyi and base xprofile at x402factory.ai.

email spf alignment check is the cheapest of 987 comparable listings in communications; none asks less.

The wallet paid by email spf alignment check is the payee of 289 endpoints on one host.

The seller's tags on email spf alignment check are web, http and reliability, and its label is "web-api-intelligence".

The price of email spf alignment check is declared by 43 other listings in communications too.

Payment options as declared

the payment options, as of 2026-10-04 21:22 UTC · method · pinnable

Every payment option declared on this listing
registry	network	asset	amount	scheme	pay to
Coinbase	eip155:8453	USDC	0.001 USDC	exact	0x9f8bd9…5e73A2
Coinbase	eip155:8453	USDC	0.001 USDC	exact	0x9f8bd9…5e73A2
Coinbase	solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp	USDC	0.001 USDC	exact	28heAMpF…YYsemG

Preflight checks at the last sweep

the checks, as of 2026-10-04 14:05 UTC · method · pinnableendpoint answered HTTP 402

No named check failed.

Validation history, 90 days

Every sweep that observed this endpoint, newest first.

Validation observations over the last 90 days
observed, UTC	state	sweep
2026-10-04 14:05 UTC	pass	daily-2026-10-04
2026-10-03 07:29 UTC	pass	daily-2026-10-03
2026-10-02 16:37 UTC	pass	daily-2026-10-02
2026-10-01 09:20 UTC	pass	daily-2026-10-01
2026-09-30 08:48 UTC	pass	daily-2026-09-30
2026-09-29 20:54 UTC	pass	daily-2026-09-29
2026-09-23 07:49 UTC	pass	daily-2026-09-23
2026-09-22 08:03 UTC	pass	daily-2026-09-22
2026-09-21 08:25 UTC	pass	daily-2026-09-21
2026-09-20 18:24 UTC	pass	new-after-daily-2026-09-19

Registry presence

Presence in a registry, not liveness of the service (method). Newest first.

2026-09-19 20:39 UTClisted in Coinbase

Declared input and output, as listed

From the registry record, not validated by TOLL.the declared schema, as of 2026-09-19 16:02 UTC · method · live

The input and output block

{
  "input": {
    "body": {
      "mode": "relaxed",
      "from_domain": "example.com",
      "mail_from_domain": "bounce.example.com"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "result": {
        "mode": "relaxed",
        "aligned": true
      },
      "schema": "delx/util-email-spf-alignment-check/v1",
      "status": "pass",
      "evidence": {
        "retained": false,
        "input_sha256": "ea586d1c403c2ce4bdabccfde8d16390a6f39bd162622d5aa8ca6b864aa2c9de",
        "external_calls": 0
      },
      "operation": "web_reliability:email_spf_alignment_check"
    }
  }
}

What the listing says

Email SPF Alignment Check: checks relaxed or strict SPF domain alignment using only bounded caller-supplied values. Call when you need a bounded email spf alignment check result before deciding relaxed or strict SPF domain alignment from caller-supplied fields. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Email SPF Alignment Check as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base or Solana. First-party, stateless, memory-o…

the record, 2026-09-19 16:02 UTC · method · pinnable

As declared

Every tag is a field on the listing, not a keyword TOLL assigned.

Who is paid

0x9f8bd9…5e73A2

Takes payment for 289 endpoints on 1 host.

Among Communications

counted above0%

of 985 that carry counters

cheaper than0%

of 987 with a comparable price

991 endpoints are in this category. 43 declare exactly this price.

the comparison, 2026-10-04 21:22 UTC · method · live

Nearest on price

users relationshipsurf.cascade.fyi0.001 USDCpass
base xprofilex402factory.ai0.001 USDClegacy v1
twitter summaryx402.ottoai.services0.001 USDCpass
email validateagents.ai-rook.com0.001 USDCpass
email sendwin.oneshotagent.com0.001 USDCpass

Same category, nearest declared price, one per payee wallet (method). the list, 2026-10-04 21:22 UTC · method · live

Elsewhere in the record

Cite this page

The pinned URL below renders this page from the snapshot of 2026-10-04 21:22 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 spf alignment check on api.delx.ai", snapshot of 2026-10-04 21:22 UTC. https://tollindex.com/e/api-delx-ai-api-v1-x402-email-spf-alignment-check-c70a80/at/2026-10-04T21-22Z. Accessed [access date].

BibTeX

@misc{toll-e-api-delx-ai-api-v1-x402-email-spf-alignment-check-c70a80-2026-10-04T21-22Z,
  author = {TOLL},
  title = {email spf alignment check on api.delx.ai},
  howpublished = {\url{https://tollindex.com/e/api-delx-ai-api-v1-x402-email-spf-alignment-check-c70a80/at/2026-10-04T21-22Z}},
  year = {2026},
  month = {10},
  note = {Pinned view of the snapshot of 2026-10-04 21:22 UTC. Accessed [access date].}
}

Reports and replies about this endpoint

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