passlisted in Coinbase#25 by calls of 361 on this host
0.01 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 75% / 75% / 75%
- Calls, trailing 30 days
- 1
- Unique payers, trailing 30 days
- 1
- Last called
- 2026-09-25 02:22 UTC
- First observed by TOLLderived
- 2026-09-25
- Pricederived
- 0.01 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 20 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.
chain base shares twin.unykorn.org with 360 other listed endpoints and is tied 25th by calls with 336 others.
Callers of chain base supply a json body with the field params.
A response from chain base, as declared, includes ok, type, receipt, sources, limitations, generated_at and 1 other.
chain base drew a single call from a single payer in the trailing 30 days.
The last call to chain base came 6 days before the snapshot, 2026-09-25.
It is priced at 0.01 USDC on Base.
chain base accepts payment on Base, Polygon and Solana, 3 options in all, to 2 different wallets.
twin.unykorn.org serves chain base, a POST endpoint that TOLL places in market data, listed in the Coinbase registry.
chain base answered the sweep of 2026-09-30 with a valid 402, passing 3 of 4 sweeps since 2026-09-25.
Closest in price to chain base within market data: stonk screener invoke at api.solenrich.com and messages at blockrun.ai.
chain base is priced above 42% of comparable listings in market data.
For 1 of the options on chain base, TOLL has no verified decimals and shows the raw amount.
The wallet paid by chain base is the payee of 362 endpoints on one host.
The seller's tags on chain base are defi, base, base ecosystem and tvl.
The price of chain base is declared by 1,437 other listings in market data too.
the payment options, as of 2026-09-30 22:14 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x7d9a65…c156DB |
| Coinbase | solana: | EPjFWdd5…yTDt1v | 10000 smallest units, decimals unknown | exact | FN9TC2Sc…jXLwY1 |
the checks, as of 2026-09-30 07:47 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-30 07:47 UTC | pass | 0 | daily-2026-09-30 |
| 2026-09-29 20:00 UTC | pass | 0 | daily-2026-09-29 |
| 2026-09-28 17:04 UTC | pass | 0 | daily-2026-09-28 |
| 2026-09-25 19:22 UTC | fail | 1 | new-after-daily-2026-09-24 |
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 2026-09-25 02:22 UTC · method · live
The input and output block
{
"input": {
"body": {
"params": {}
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"ok": true,
"type": "defi-chain-base",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.01,
"receipt_id": "g402-<16hex>"
},
"sources": [
{
"ok": true,
"name": "<source>"
}
],
"limitations": "<text>",
"generated_at": "<iso time>",
"evidence_hash": "sha256:<64hex>"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-30 22:14 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "chain base on twin.unykorn.org", snapshot of 2026-09-30 22:14 UTC. https://tollindex.com/e/twin-unykorn-org-defi-chain-base-8bee29/at/2026-09-30T22-14Z. Accessed [access date].
BibTeX
@misc{toll-e-twin-unykorn-org-defi-chain-base-8bee29-2026-09-30T22-14Z,
author = {TOLL},
title = {chain base on twin.unykorn.org},
howpublished = {\url{https://tollindex.com/e/twin-unykorn-org-defi-chain-base-8bee29/at/2026-09-30T22-14Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-30 22:14 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.