faillisted in Coinbase#10 by calls of 51 on this host
0.05 USDC
per call, as the listing declares it on eip155:
- Validation state
- fail
- Uptime, 7 / 30 / 90 days
- 33% / 57% / 57%
- Calls, trailing 30 days
- 3
- Unique payers, trailing 30 days
- 2
- Last called
- 2026-10-06 03:24 UTC
- First observed by TOLLderived
- 2026-09-16
- Pricederived
- 0.05 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 2 times across 74 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.
The sweep of 2026-10-06 found text to speech unreachable.
text to speech, a POST endpoint on x402.agentutility.ai, appears in the Coinbase registry; TOLL's taxonomy puts it in media.
On Base, text to speech asks 0.05 USDC per call.
Requests carry a json body with the fields text, voice and format.
text to speech accepts payment on Base and Solana, 2 options in all, to 2 different wallets.
A response from text to speech, as declared, includes format, source, audio_url and file_size_bytes.
Over 30 days: 3 calls, 2 payers.
text to speech was last called 1 day before the snapshot.
Among the 51 endpoints on x402.agentutility.ai, text to speech is tied 10th by calls with 6 others.
text to speech is priced above 78% of comparable listings in media.
Closest in price to text to speech within media: tts at agent402.tools and images grok imagine at agents.withzero.xyz.
The wallet paid by text to speech is the payee of 68 endpoints on one host.
Across media, 872 endpoints carry counters and text to speech out-counts 70% of them.
Seller tags: synthforge, text and speech.
34 other listings in media declare exactly the same price.
the payment options, as of 2026-10-07 05:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.05 USDC | exact | 0x6c0752…bB5621 |
| Coinbase | solana: | USDC | 0.05 USDC | exact | FJqAJ4dX…PfUXLH |
the checks, as of 2026-10-06 13:12 UTC · method · pinnableendpoint answered HTTP none
endpoint_reachable· the endpoint answered at all
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-06 13:12 UTC | fail | 1 | daily-2026-10-06 |
| 2026-10-05 11:37 UTC | pass | 0 | daily-2026-10-05 |
| 2026-10-04 14:17 UTC | fail | 1 | daily-2026-10-04 |
| 2026-10-03 07:37 UTC | pass | 0 | daily-2026-10-03 |
| 2026-10-02 16:45 UTC | fail | 1 | daily-2026-10-02 |
| 2026-10-01 09:27 UTC | fail | 1 | daily-2026-10-01 |
| 2026-09-30 08:56 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 21:01 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-23 07:56 UTC | pass | 0 | daily-2026-09-23 |
| 2026-09-22 08:09 UTC | fail | 1 | daily-2026-09-22 |
| 2026-09-21 08:31 UTC | pass | 0 | daily-2026-09-21 |
| 2026-09-19 06:30 UTC | fail | 1 | daily-2026-09-19 |
| 2026-09-17 06:20 UTC | pass | 0 | daily-2026-09-17 |
| 2026-09-16 11:31 UTC | pass | 0 | new-2026-09-16T11-31-34-368Z |
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 2026-10-06 03:24 UTC · method · live
The input and output block
{
"input": {
"body": {
"text": "Hello, this is a test of the speech synthesizer.",
"voice": "af_sky",
"format": "mp3"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"format": "mp3",
"source": "morpheus",
"audio_url": "https://...mp3",
"file_size_bytes": 24000
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-07 05:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "text to speech on x402.agentutility.ai", snapshot of 2026-10-07 05:57 UTC. https://tollindex.com/e/x402-agentutility-ai-text-to-speech-cf4b07/at/2026-10-07T05-57Z. Accessed [access date].
BibTeX
@misc{toll-e-x402-agentutility-ai-text-to-speech-cf4b07-2026-10-07T05-57Z,
author = {TOLL},
title = {text to speech on x402.agentutility.ai},
howpublished = {\url{https://tollindex.com/e/x402-agentutility-ai-text-to-speech-cf4b07/at/2026-10-07T05-57Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-07 05:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.