passlisted in Coinbase#25 by calls of 361 on this host
0.002 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 80% / 89% / 89%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-20 20:50 UTC
- First observed by TOLLderived
- 2026-09-21
- Pricederived
- 0.002 USDC
- Networks
- 3
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 37 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.
json flatten is one of 361 listed endpoints on twin.unykorn.org, tied 25th by calls with 336 others among them.
json flatten takes a json body with the field params.
Its example response has the fields ok, type, receipt and generated_at.
json flatten drew a single call from a single payer in the trailing 30 days.
The last call to json flatten came 10 days before the snapshot, 2026-09-20.
A call to json flatten costs 0.002 USDC on Base, as declared.
json flatten accepts payment on Base, Polygon and Solana, 3 options in all, to 2 different wallets.
TOLL files json flatten under the "other" category: a POST endpoint on twin.unykorn.org, listed in the Coinbase registry.
json flatten answered the sweep of 2026-10-01 with a valid 402, passing 8 of 9 sweeps since 2026-09-21.
Closest in price to json flatten within the "other" category: roast at roastx402endpoint.vercel.app and convert weight at weight402endpoint.vercel.app.
json flatten is priced above 36% of comparable listings in the "other" category.
For 1 of the options on json flatten, TOLL has no verified decimals and shows the raw amount.
The wallet paid by json flatten is the payee of 362 endpoints on one host.
Seller tags: JSON, deterministic, utility and data.
The price of json flatten is declared by 170 other listings in the "other" category too.
the payment options, as of 2026-10-01 05:50 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.002 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | eip155: | USDC | 0.002 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | solana: | EPjFWdd5…yTDt1v | 2000 smallest units, decimals unknown | exact | FN9TC2Sc…jXLwY1 |
the checks, as of 2026-10-01 06:52 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-01 06:52 UTC | pass | 0 | daily-2026-10-01 |
| 2026-09-30 06:09 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 18:30 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 04:21 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 20:04 UTC | fail | 1 | daily-2026-09-25 |
| 2026-09-23 05:44 UTC | pass | 0 | daily-2026-09-23 |
| 2026-09-22 05:54 UTC | pass | 0 | daily-2026-09-22 |
| 2026-09-21 06:17 UTC | pass | 0 | daily-2026-09-21 |
| 2026-09-21 05:42 UTC | pass | 0 | new-after-daily-2026-09-20 |
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 2026-09-20 20:50 UTC · method · live
The input and output block
{
"input": {
"body": {
"params": {
"json": {
"a": {
"b": 1
}
}
}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"ok": true,
"type": "json-flatten",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.25,
"receipt_id": "g402-<16hex>"
},
"generated_at": "<iso8601>"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-01 05:50 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "json flatten on twin.unykorn.org", snapshot of 2026-10-01 05:50 UTC. https://tollindex.com/e/twin-unykorn-org-json-flatten-28586b/at/2026-10-01T05-50Z. Accessed [access date].
BibTeX
@misc{toll-e-twin-unykorn-org-json-flatten-28586b-2026-10-01T05-50Z,
author = {TOLL},
title = {json flatten on twin.unykorn.org},
howpublished = {\url{https://tollindex.com/e/twin-unykorn-org-json-flatten-28586b/at/2026-10-01T05-50Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-01 05:50 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.