60
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web3-tools.x402tookit.com via a single DNS TXT record to add the
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Trust score
60/100
grade C · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
not yet measured
wallet declared · scan pending
Invocations · 7d
0
no calls observed
Listing drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →
Dispute or improve this rating
C
Conformance score: 60/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.
click to expand breakdown ▾
click to collapse breakdown ▴
C
Conformance score: 60/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.
n/a
Agent card
n/a
Not applicable: a paid API listed by agentic.market. The host serves no A2A agent card at /.well-known/agent-card.json, so the card criteria are not scored.
partial
Live endpoint
15/25
Our probe received an HTTP 402 payment challenge from the host: live, but paid.
n/a
Protocol version
n/a
Not applicable: no A2A agent card served.
n/a
JWS signature
n/a
Not applicable: no A2A agent card served.
n/a
Uptime track record
n/a
Not applicable: our probes looked for an A2A agent card, which this host does not serve. That says nothing about the API's availability, so it is not graded.
n/a
Skill declaration
n/a
Not applicable: no A2A agent card served.
partial
Verified Identity
5/10
Provider declared: web3-tools.x402tookit.com (https://web3-tools.x402tookit.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
n/a
Security declaration
n/a
Not applicable: no A2A agent card served.
Activity (audit trail)
last 24h · 0 invocations Public aggregate · no PII recordedNothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.
Listing history
1 snapshot Every change to the catalogue entry| Captured | Hash | Snapshot |
|---|---|---|
| 2026-10-21 05:04:02 current | 13223ad74b98… |
view → |
Uptime
not graded
catalogue listing · no agent card to probe
Response
—
last direct probe
Skills
0
declared
Streaming
—
SSE-capable
Endpoints
From $0.0200 per call
| Endpoint | Price | Currency |
|---|---|---|
https://web3-tools.x402tookit.com/keccak256
|
0.02 | USDC |
https://web3-tools.x402tookit.com/caip-parse
|
0.02 | USDC |
https://web3-tools.x402tookit.com/btc-address
|
0.02 | USDC |
https://web3-tools.x402tookit.com/calldata-split
|
— | USDC |
https://web3-tools.x402tookit.com/contract-address
|
— | USDC |
https://web3-tools.x402tookit.com/ens-namehash
|
— | USDC |
https://web3-tools.x402tookit.com/evm-address
|
— | USDC |
https://web3-tools.x402tookit.com/function-selector
|
— | USDC |
https://web3-tools.x402tookit.com/hex-convert
|
— | USDC |
https://web3-tools.x402tookit.com/solana-address
|
— | USDC |
https://web3-tools.x402tookit.com/tx-hash-check
|
— | USDC |
https://web3-tools.x402tookit.com/unit-convert
|
— | USDC |
Try it ↗
Opens the operator's playground / docs in a new tab.
Settlement wallet:
0xb531320805c5bed1d46aeadcf4f008fdf172dbda on Base
· basescan ↗
Listed by facilitators
Coinbase CDP · 12
| Agent card | https://web3-tools.x402tookit.com |
| Provider | https://web3-tools.x402tookit.com |
| Docs | https://web3-tools.x402tookit.com |
Discovered via
agentic_market
recrawl_paid
Health · last 1 probes
Similar agents embedding-nearest
Embed your Agenstry badge
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Markdown / HTML snippets
[](https://agenstry.com/agents/web3-tools.x402tookit.com) [](https://agenstry.com/agents/web3-tools.x402tookit.com) [](https://agenstry.com/agents/web3-tools.x402tookit.com) [](https://agenstry.com/agents/web3-tools.x402tookit.com)
Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"_source": "agentic.market",
"service": {
"id": "web3-tools-x402tookit-com",
"name": "web3-tools.x402tookit.com",
"description": "",
"domain": "web3-tools.x402tookit.com",
"provider": "web3-tools.x402tookit.com",
"providerUrl": "",
"category": "",
"networks": [
"Base",
"eip155:137",
"eip155:42161",
"solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
],
"enriched": false,
"endpoints": [
{
"url": "https://web3-tools.x402tookit.com/btc-address",
"description": "Validate a Bitcoin address (legacy, P2SH, SegWit bech32, Taproot bech32m): checksum, type, network and hash payload.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "address",
"type": "string",
"description": "",
"example": "bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"bitcoin",
"address",
"bech32",
"base58check",
"taproot"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/caip-parse",
"description": "Parse CAIP-2 chain ids, CAIP-10 account ids and CAIP-19 asset ids: namespace, reference, known chain name, address check.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "id",
"type": "string",
"description": "",
"example": "eip155:8453",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"caip",
"chain-id",
"wallet",
"multichain"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/calldata-split",
"description": "Split EVM calldata into its 4-byte selector and 32-byte words, naming common ERC-20/721 calls and spotting addresses.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "data",
"type": "string",
"description": "",
"example": "0xa9059cbb000000000000000000000000ab5801a7d398351b8be11c439e05c5b3259aec9b0000000000000000000000000000000000000000000000000de0b6b3a7640000",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"calldata",
"abi",
"evm",
"transaction",
"decode"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/contract-address",
"description": "Predict a contract address: CREATE from deployer and nonce, or CREATE2 from deployer, salt and init code (or its hash).",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "deployer",
"type": "string",
"description": "",
"example": "0x6ac7ea33f8831ea9dcc53393aaa88b25a785dbf0",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "query",
"name": "nonce",
"type": "string",
"description": "",
"example": "0",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"create2",
"create",
"contract",
"deployment",
"evm"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/ens-namehash",
"description": "Compute the ENS namehash (EIP-137) and label hashes for a name such as vitalik.eth, for contract calls and subgraph queries.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "name",
"type": "string",
"description": "",
"example": "foo.eth",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"ens",
"namehash",
"eip-137",
"ethereum"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/evm-address",
"description": "Check an EVM address (Ethereum, Base, Polygon...) against its EIP-55 checksum and return the correctly checksummed form.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "address",
"type": "string",
"description": "",
"example": "0x5aAeb6053F3E94C9b9A09f33669435E7Ef1BeAed",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"evm",
"ethereum",
"address",
"eip-55",
"checksum"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/function-selector",
"description": "Compute the 4-byte function selector and event topic0 from a Solidity signature such as transfer(address,uint256).",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "signature",
"type": "string",
"description": "",
"example": "transfer(address,uint256)",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"solidity",
"abi",
"selector",
"event-topic",
"ethereum"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/hex-convert",
"description": "Convert hex to UTF-8 text or an integer (signed or unsigned), and text or integers to hex with 32-byte padding.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "op",
"type": "string",
"description": "",
"example": "hex-to-int",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "query",
"name": "value",
"type": "string",
"description": "",
"example": "0x0de0b6b3a7640000",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"hex",
"utf8",
"integer",
"bytes32",
"abi"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/keccak256",
"description": "Keccak-256 hash (the Ethereum one) of text or hex bytes, with the first-4-byte selector and NIST SHA3-256 for contrast.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "encoding",
"type": "string",
"description": "",
"example": "utf8",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "query",
"name": "input",
"type": "string",
"description": "",
"example": "transfer(address,uint256)",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"keccak",
"hash",
"ethereum",
"sha3"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/solana-address",
"description": "Validate a Solana address: base58, 32 bytes, and whether it is on the ed25519 curve (wallet) or off it (program-derived).",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "address",
"type": "string",
"description": "",
"example": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"solana",
"address",
"base58",
"ed25519",
"pda"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/tx-hash-check",
"description": "Recognise what a transaction id looks like (EVM hash, Bitcoin txid, Solana signature) from format alone, and flag typos.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "id",
"type": "string",
"description": "",
"example": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"transaction",
"txid",
"hash",
"signature",
"format"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://web3-tools.x402tookit.com/unit-convert",
"description": "Exact unit conversion for crypto amounts: wei, gwei, ether, lamports, SOL, satoshis, BTC or a token with N decimals.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "amount",
"type": "string",
"description": "",
"example": "1.5",
"enumValues": [],
"default": null,
"required": false
},
{
"group": "query",
"name": "unit",
"type": "string",
"description": "",
"example": "ether",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Web3 Tools",
"tags": [
"wei",
"gwei",
"lamports",
"satoshi",
"decimals"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
}
}
],
"integrationType": "",
"isNew": false,
"priceSummary": {
"minAmount": "0.02",
"maxAmount": "0.02",
"avgCostPerTransaction": "0.02",
"avgCostBasis": "exact",
"currency": "USDC"
},
"serviceName": "Web3 Tools",
"tags": [
"bitcoin",
"address",
"bech32",
"base58check",
"taproot",
"caip",
"chain-id",
"wallet",
"multichain",
"calldata",
"abi",
"evm",
"transaction",
"decode",
"create2",
"create",
"contract",
"deployment",
"ens",
"namehash",
"eip-137",
"ethereum",
"eip-55",
"checksum",
"solidity",
"selector",
"event-topic",
"hex",
"utf8",
"integer",
"bytes32",
"keccak",
"hash",
"sha3",
"solana",
"base58",
"ed25519",
"pda",
"txid",
"signature",
"format",
"wei",
"gwei",
"lamports",
"satoshi",
"decimals"
],
"iconUrl": ""
}
}