passabsent from every registry#55 by calls of 147 on this host
0.001 USDC
per call, as the listing declares it on eip155:
Compare with anotherEvery figure as JSONCite this page
the price, as of 2026-09-17 16:58 UTC · method
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- — / — / 100%
- Calls, trailing 30 days
- 2
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-08-18 19:10 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.001 USDC
- Networks
- 2
How big is this endpoint among the ones like it?
No trace is drawn of this endpoint’s own volume. Its counters have changed 1 time across 36 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.
With 147 endpoints listed on api.delx.ai, pdf header sniff is tied 55th by calls with 86 others.
Callers of pdf header sniff supply a json body with the field base64_prefix.
A response from pdf header sniff, as declared, includes is_pdf, schema and decoded_prefix_len.
Over 30 days: 2 calls, one payer.
pdf header sniff was last called 56 days before the snapshot.
Per call, pdf header sniff declares 0.001 USDC on Base.
Across Base and Solana it declares 3 ways to pay, to 2 different wallets.
pdf header sniff, a POST endpoint on api.delx.ai, appears in neither registry at the last pull; TOLL's taxonomy puts it in storage.
pdf header sniff answered the sweep of 2026-09-17 with a valid 402, as at every sweep since 2026-09-11.
Closest in price to pdf header sniff within storage: check at longwatch.dev and files.camelai.io at files.camelai.io.
pdf header sniff is the cheapest of 219 comparable listings in storage; none asks less.
The wallet paid by pdf header sniff is the payee of 310 endpoints on one host.
Seller tags: x402, agents, local-first and micro-usdc; seller label: "agent-ops-math".
pdf header sniff was missing from the Coinbase registry at the pull of 2026-09-17, confirmed at the pull of 2026-09-18; that is registry presence, not liveness.
The price of pdf header sniff is declared by 45 other listings in storage too.
Where the sentences above compare this endpoint with others, the comparison is against the index as it stands now, live; the figures above are final.
the payment options, as of 2026-09-17 16:58 UTC · method
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x9f8bd9…5e73A2 |
| Coinbase | eip155: | USDC | 0.001 USDC | exact | 0x9f8bd9…5e73A2 |
| Coinbase | solana: | USDC | 0.001 USDC | exact | 28heAMpF…YYsemG |
the checks, as of 2026-09-17 06:49 UTC · methodendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-17 06:49 UTC | pass | 0 | daily-2026-09-17 |
| 2026-09-16 06:45 UTC | pass | 0 | daily-2026-09-16 |
| 2026-09-15 07:01 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 06:28 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 06:18 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 09:38 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 14:46 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- absence from Coinbase confirmed, rule v1
- absent from Coinbase at this pull
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-08-18 19:10 UTC · method
The input and output block
{
"input": {
"body": {
"base64_prefix": "JVBERi0xLjQ="
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"is_pdf": true,
"schema": "delx/util-pdf-header-sniff/v1",
"decoded_prefix_len": 8
}
}
}Cite this page
This endpoint is delisted: the page is frozen at its last observation and its live URL is the stable one. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "pdf header sniff on api.delx.ai". https://tollindex.com/e/api-delx-ai-api-v1-x402-pdf-header-sniff-f42fa4. Accessed [access date].
BibTeX
@misc{toll-e-api-delx-ai-api-v1-x402-pdf-header-sniff-f42fa4-2026-10-13,
author = {TOLL},
title = {pdf header sniff on api.delx.ai},
howpublished = {\url{https://tollindex.com/e/api-delx-ai-api-v1-x402-pdf-header-sniff-f42fa4}},
year = {2026},
month = {10},
note = {Frozen at its last observation, 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.