sellcheck size derived
base-facts.yankii.frMarket dataderived
POST https://base-facts.yankii.fr/v1/sellcheck/size
passlisted in Coinbase#1 by calls of 9 on this host
0.01 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
- 4
- Unique payers, trailing 30 days
- 3
- Last called
- 2026-10-09 09:28 UTC
- First observed by TOLLderived
- 2026-10-06
- Pricederived
- 0.01 USDC
- Networks
- 1
How has the volume on this endpoint moved?
base-facts.yankii.fr serves sellcheck size, a POST endpoint that TOLL places in market data, listed in the Coinbase registry.
On Base, sellcheck size asks 0.01 USDC per call.
The request to sellcheck size is a json body with the fields token and amountEth.
A response from sellcheck size, as declared, includes name, flags, token, source, symbol, summary and 2 others.
sellcheck size answered the sweep of 2026-10-18 with a valid 402, as at every sweep since 2026-10-06.
sellcheck size shares base-facts.yankii.fr with 8 other listed endpoints and is tied 1st by calls with 3 others.
sellcheck size takes 16% of the calls counted across base-facts.yankii.fr.
The registry's counters give sellcheck size 4 calls and 3 unique payers over 30 days.
sellcheck size was last called 4 days before the snapshot.
Closest in price to sellcheck size within market data: address current balance at api.nansen.ai and token safety at api.deepnets.ai.
sellcheck size is priced above 40% of comparable listings in market data.
Across market data, 8,872 endpoints carry counters and sellcheck size out-counts 70% of them.
The wallet paid by sellcheck size is the payee of 10 endpoints across 2 hosts.
Seller tags: base, token, honeypot and slippage.
The price of sellcheck size is declared by 2,674 other listings in market data too.
the payment options, as of 2026-10-13 14:08 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.01 USDC | exact | 0x40661D…3459A2 |
the checks, as of 2026-10-18 09:47 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-10-18 09:47 UTC | pass | 0 | daily-2026-10-18 |
| 2026-10-17 19:55 UTC | pass | 0 | daily-2026-10-17 |
| 2026-10-16 05:58 UTC | pass | 0 | daily-2026-10-16 |
| 2026-10-15 07:40 UTC | pass | 0 | daily-2026-10-15 |
| 2026-10-14 05:50 UTC | pass | 0 | daily-2026-10-14 |
| 2026-10-13 10:29 UTC | pass | 0 | daily-2026-10-13 |
| 2026-10-12 07:49 UTC | pass | 0 | daily-2026-10-12 |
| 2026-10-11 06:25 UTC | pass | 0 | daily-2026-10-11 |
| 2026-10-10 14:34 UTC | pass | 0 | daily-2026-10-10 |
| 2026-10-09 06:59 UTC | pass | 0 | daily-2026-10-09 |
| 2026-10-08 08:30 UTC | pass | 0 | daily-2026-10-08 |
| 2026-10-07 07:43 UTC | pass | 0 | daily-2026-10-07 |
| 2026-10-06 18:23 UTC | pass | 0 | new-after-daily-2026-10-06 |
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 2026-10-09 09:28 UTC · method · live
The input and output block
{
"input": {
"body": {
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amountEth": "0.5"
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"name": "USD Coin",
"flags": [
{
"id": "sell_ok",
"fact": "Bought with 0.01 WETH and sold straight back on uniswap-v3 pool 0x6c561B446416E1A00E8E93E221854d6eA4171372 at block 52159737 (eth_call simulation): round-trip loss 0.6%, which includes a 0.30% pool fee paid twice and any token tax.",
"severity": "info"
}
],
"token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"source": "base-mainnet-rpc",
"symbol": "USDC",
"summary": "USDC: Simulated buy and sell on uniswap-v3: no transfer tax, round-trip loss 0.6%.",
"disclaimer": "eth_call simulation at block 52159737: a small buy with WETH and an immediate sell on the token's deepest WETH pools. Not a guarantee: the token's code or owner can change, and some tokens treat addresses or sizes differently. Not financial advice.",
"simulation": {
"dex": "uniswap-v3",
"fee": 3000,
"pool": "0x6c561B446416E1A00E8E93E221854d6eA4171372",
"status": "ok",
"wethIn": "10000000000000000",
"amounts": {
"wethOut": "9940089592377343",
"tokenSent": "26912247",
"tokenReceived": "26912247",
"tokenReachedPool": null,
"tokenReleasedByPool": "26912247"
},
"attempts": [
{
"ok": true,
"dex": "uniswap-v3",
"fee": 3000,
"pool": "0x6c561B446416E1A00E8E93E221854d6eA4171372",
"wethIn": "10000000000000000"
}
],
"buyTaxPct": 0,
"sellTaxPct": null,
"roundTripLossPct": 0.6
},
"blockNumber": "52159737"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-10-13 14:08 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "sellcheck size on base-facts.yankii.fr", snapshot of 2026-10-13 14:08 UTC. https://tollindex.com/e/base-facts-yankii-fr-v1-sellcheck-size-52b0ab/at/2026-10-13T14-08Z. Accessed [access date].
BibTeX
@misc{toll-e-base-facts-yankii-fr-v1-sellcheck-size-52b0ab-2026-10-13T14-08Z,
author = {TOLL},
title = {sellcheck size on base-facts.yankii.fr},
howpublished = {\url{https://tollindex.com/e/base-facts-yankii-fr-v1-sellcheck-size-52b0ab/at/2026-10-13T14-08Z}},
year = {2026},
month = {10},
note = {Pinned view of the snapshot of 2026-10-13 14:08 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.