passlisted in Coinbasecounted above 67% of Storage
0.005 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
- 2026-09-14 19:54 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 1
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 28 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.
At relay.preflightstack.com, file slot takes POST requests, is listed in the Coinbase registry, and falls under storage by TOLL's rules.
file slot is priced at 0.005 USDC on Base.
The request to file slot is a json body with the fields filename, size_bytes and content_type.
A response from file slot, as declared, includes price, state, upload, network, slot_id, max_bytes and 2 others.
file slot answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
file slot is the only listed endpoint on relay.preflightstack.com.
The registry's counters give file slot 3 calls and 3 unique payers over 30 days, every call from a different payer.
The last call to file slot came 1 day before the snapshot, 2026-09-14.
Closest in price to file slot within storage: upload at stableupload.dev and chain storage at api.onesource.io.
file slot is priced above 45% of comparable listings in storage.
Within storage, 67% of endpoints with counters have fewer calls.
The wallet paid by file slot is the payee of 3 endpoints across 3 hosts.
Seller tags: temporary-file-upload, file-transfer, agent-artifacts and public-download-url.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x9acdad…cc2500 |
the checks, as of 2026-09-15 05:33 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 05:33 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 05:07 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 05:03 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 07:19 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 11:01 UTC | pass | 0 | daily-2026-09-11 |
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 2026-09-14 19:54 UTC · method · live
The input and output block
{
"input": {
"body": {
"filename": "report.pdf",
"size_bytes": 18376291,
"content_type": "application/pdf"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"price": {
"asset": "USDC",
"amount": "0.005",
"pricing_version": "temporary-file-relay-v1",
"amount_micro_usdc": 5000
},
"state": "paid_pending_upload",
"upload": {
"url": "https://upload.invalid/presigned-example",
"method": "PUT",
"expires_at": "2026-08-26T14:00:00.000Z",
"required_headers": {
"content-type": "application/pdf",
"content-length": "18376291"
}
},
"network": "eip155:8453",
"slot_id": "slot_00000000000000000000000000000000",
"max_bytes": 262144000,
"content_type": "application/pdf",
"manage_token": "mt1_AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
"service_hint": {
"id": "temporary-file-relay",
"suitable_for": [
"temporary_public_artifact_delivery",
"agent_to_agent_file_handoff",
"cross_tool_file_sharing",
"large_result_transfer"
]
},
"upload_deadline": "2026-08-26T14:00:00.000Z",
"declared_size_bytes": 18376291
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "file slot on relay.preflightstack.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/relay-preflightstack-com-v1-file-slot-774d81/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-relay-preflightstack-com-v1-file-slot-774d81-2026-09-15T16-57Z,
author = {TOLL},
title = {file slot on relay.preflightstack.com},
howpublished = {\url{https://tollindex.com/e/relay-preflightstack-com-v1-file-slot-774d81/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.