presign-guard.fizzl.eu
No description published for this endpoint.
OtherLiveeip155:8453Exactvia facilitator:thirdweb
Calls · 30d
12↑ 46%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 32 snapshots so far.
$7.24
Verified settled volume
200 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
—
Calls · 30d
Upstream's own call count for this endpoint, not ours.
—
Unique payers · 30d
Never called
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x6B0F4651eD42893ab58139938175E4a69f175F25The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x6B0F4651eD42893ab58139938175E4a69f175F25",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"payTo": "ATWJ82T8nRdQwZnaysB68N5EpaSvLRsQP4h6eWmaJBH9",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
],
"resource": {
"url": "https://presign-guard.fizzl.eu/v1/token",
"tags": [
"token-security",
"due-diligence",
"solana",
"base",
"agents"
],
"mimeType": "application/json",
"description": "Is this token safe to buy, or a honeypot or rug pull? Checks a Solana or EVM token before you buy, hold or accept it (mint or freeze authority still active, LP not locked, buy/sell tax, low liquidity, brand-new token, concentrated holders) and answers green/orange/red with a grade (SAFE/CAUTION/RISKY/AVOID), the reasons, a one-line summary and market data",
"serviceName": "presign-guard"
},
"extensions": {
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"chain": "solana",
"address": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"
}
},
"output": {
"type": "json",
"example": {
"grade": "SAFE",
"token": {
"name": "Bonk",
"chain": "solana",
"symbol": "Bonk",
"address": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263"
},
"market": {
"url": "https://dexscreener.com/solana/...",
"priceUsd": 0.0000123,
"ageSeconds": 98000000,
"liquidityUsd": 422000,
"marketCapUsd": 1000000000,
"volume24hUsd": 350000
},
"reasons": [
{
"code": "MUTABLE_METADATA",
"severity": "info"
}
],
"sources": [
"goplus",
"dexscreener",
"rugcheck"
],
"verdict": "green",
"one_liner": "SAFE: no red flags, $422k liquidity, 3.1 years old"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"chain",
"address"
],
"properties": {
"chain": {
"enum": [
"solana",
"base",
"ethereum",
"arbitrum",
"optimism",
"polygon",
"bsc"
],
"type": "string",
"description": "Chain the token lives on"
},
"address": {
"type": "string",
"description": "Solana mint address (base58) or EVM token contract (0x...)"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"verdict",
"grade",
"one_liner",
"reasons"
],
"properties": {
"grade": {
"enum": [
"SAFE",
"CAUTION",
"RISKY",
"AVOID"
],
"type": "string"
},
"token": {
"type": "object"
},
"market": {
"type": [
"object",
"null"
],
"description": "DexScreener data: priceUsd, liquidityUsd, marketCapUsd, volume24hUsd, firstPairAt, ageSeconds, url"
},
"reasons": {
"type": "array",
"items": {
"type": "object",
"required": [
"code",
"severity"
],
"properties": {
"code": {
"type": "string"
},
"details": {},
"severity": {
"enum": [
"red",
"orange",
"info"
],
"type": "string"
}
}
}
},
"receipt": {
"type": "object",
"required": [
"request_id",
"route",
"input_sha256",
"signed_at",
"signer",
"algorithm",
"signature"
],
"properties": {
"cert": {
"type": "object",
"properties": {
"signer": {
"type": "string"
},
"service": {
"type": "string"
},
"authority": {
"type": "string"
},
"signature": {
"type": "string"
},
"valid_from": {
"type": "string"
}
},
"description": "The payout wallet's certificate for this signing key: personal_sign by authority over 'fizzl receipt signer\\nservice: <service>\\nsigner: <signer>\\nvalid_from: <date>'. Pin the payout wallet and a rotated key still verifies."
},
"route": {
"type": "string"
},
"signer": {
"type": "string"
},
"payment": {
"type": "object",
"properties": {
"asset": {
"type": "string"
},
"nonce": {
"type": "string"
},
"payer": {
"type": "string"
},
"proof": {
"enum": [
"eip3009",
"svm-transaction"
],
"type": "string"
},
"amount": {
"type": "string"
},
"pay_to": {
"type": "string"
},
"network": {
"type": "string"
},
"transaction_sha256": {
"type": "string"
}
},
"description": "The payment behind this answer, from your x402 payment payload. EVM: payer + EIP-3009 nonce; find the settlement as AuthorizationUsed(payer, nonce) on the asset contract. Solana: payer + sha256 of the signed transaction you sent."
},
"algorithm": {
"enum": [
"eip191-canonical-json-v1"
],
"type": "string"
},
"signature": {
"type": "string"
},
"signed_at": {
"type": "string"
},
"request_id": {
"type": "string"
},
"input_sha256": {
"type": "string",
"description": "sha256 of canonical JSON {route, input}: your body (POST) or query parameters (GET)"
}
},
"description": "Signature over this whole answer (without receipt.signature), so the verdict can be verified later: EIP-191 personal_sign over canonical JSON (sorted keys, compact, ASCII-escaped). Signer addresses: /.well-known/presign-guard-signer.json; free check: POST /v1/verify."
},
"sources": {
"type": "array",
"items": {
"type": "string"
}
},
"verdict": {
"enum": [
"green",
"orange",
"red"
],
"type": "string"
},
"checkedAt": {
"type": "string"
},
"one_liner": {
"type": "string"
}
}
}
}
}
}
}
}
},
"x402Version": 2
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.01USDC≈ $0.01 USD
on Base · exact scheme
Pay 0.01 USDC on Base to 0x6B0F…75F25. The signed payment is good for 5 minutes.
- Paid to
- 0x6B0F…75F25
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 10000 smallest units
- Returns
- application/json
10000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- ATWJ82…aJBH9
- Token contract
- EPjFWd…TDt1v
- Payment window
- 5 minutes
- Returns
- application/json
10000units
on algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- LOYVFS…DXAX4
- Token contract
- 31566704
- Payment window
- 5 minutes
- Returns
- application/json
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x6B0F4651eD42893ab58139938175E4a69f175F25",
"scheme": "exact",
"network": "eip155:8453",
"mimeType": "application/json",
"resource": "https://presign-guard.fizzl.eu/v1/token",
"description": "",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"payTo": "ATWJ82T8nRdQwZnaysB68N5EpaSvLRsQP4h6eWmaJBH9",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"mimeType": "application/json",
"resource": "https://presign-guard.fizzl.eu/v1/token",
"description": "",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 300
},
{
"asset": "31566704",
"extra": {
"feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA"
},
"payTo": "LOYVFSQ6ZTS2YWUW4GQ5L6VPP2TPIOXWYDACK53CPOHQQHLDMEMKJDXAX4",
"scheme": "exact",
"network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
"mimeType": "application/json",
"resource": "https://presign-guard.fizzl.eu/v1/token",
"description": "",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 300
}
]Provenance
- Seen in the source catalog
- 2026-10-14 04:37Z
- Last indexed by Roundhouse
- 2026-10-14 20:16Z
- Last enriched (probe, favicon, geo)
- 2026-09-29 17:45Z
- x402 version
- 1
- Max timeout
- 300s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 32 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service presign-guard.fizzl.eu and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=presign-guard.fizzl.eu' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://presign-guard.fizzl.eu/v1/token, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.