passlisted in Coinbase#1 by calls of 5 on this host
0.002 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
- 1
- Last called
- 2026-09-06 08:16 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.002 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 1 time 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.
TOLL files chord under inference: a POST endpoint on music.openverbs.com, listed in the Coinbase registry.
Per call, chord declares 0.002 USDC on Base.
Requests carry a json body with the fields root and quality.
chord declares nothing about its output; validate flags that as advisory, not a verdict.
chord answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
chord is one of 5 listed endpoints on music.openverbs.com, tied 1st by calls with 4 others among them.
chord takes 20% of the calls counted across music.openverbs.com.
Over 30 days: 3 calls, one payer.
chord was last called 9 days before the snapshot.
Closest in price to chord within inference: chat completions at api.xfuel.app and embeddings at agent402.tools.
chord is among the cheapest in inference; 7% of comparable listings ask less.
Across inference, 2,297 endpoints carry counters and chord out-counts 75% of them.
370 listed endpoints across 89 hosts pay to the same wallet.
The seller's tags on chord are build music chord, chord notes generator, chord quality lookup and triad seventh chord api.
The price of chord is declared by 106 other listings in inference too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.002 USDC | exact | 0xb3f4de…C2194A |
the checks, as of 2026-09-15 04:37 UTC · method · pinnableendpoint answered HTTP 402
bazaar.info.output· advisory, does not affect the verdict · output metadata is present (advisory)
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 04:37 UTC | pass | 1 | daily-2026-09-15 |
| 2026-09-14 04:33 UTC | pass | 1 | daily-2026-09-14 |
| 2026-09-13 04:32 UTC | pass | 1 | daily-2026-09-13 |
| 2026-09-12 06:48 UTC | pass | 1 | daily-2026-09-12 |
| 2026-09-11 10:21 UTC | pass | 1 | 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 2026-09-06 08:16 UTC · method · live
The input and output block
{
"input": {
"body": {
"root": "example",
"quality": "major"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": null
}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, "chord on music.openverbs.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/music-openverbs-com-v1-chord-47d8a9/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-music-openverbs-com-v1-chord-47d8a9-2026-09-15T16-57Z,
author = {TOLL},
title = {chord on music.openverbs.com},
howpublished = {\url{https://tollindex.com/e/music-openverbs-com-v1-chord-47d8a9/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.