← The evidence ledger
Evidence row 3965917
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/email/verify
- Recorded
- Previous row
- #1790664
- Body SHA-256
- 6f49ea7b2f04502799018f21cda1132f12d7fb03233935a1de815966127b3b44
- Leaf
- 0x641893747972c598b163c86df830923f413163ea46bd906bf76b702afa5ece9c
What was observed
{
"endpoints": [
[
"x402",
"https://tanod.dev/v1/email/verify"
]
],
"name": "Tanod dnspeek",
"owner_address": "0x593857a4a4f619543ea12394137c3004ce841720",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "RMk9k3VC8dr4hhjgFh88rGhjAbzfBzHxJJ5n2fTcqus",
"scheme": "exact"
},
{
"amount": "1000000000000000",
"asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
"extra": {
"assetTransferMethod": "permit2",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:56",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:8453",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
},
{
"amount": "1000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:137",
"payTo": "0x593857A4a4F619543ea12394137C3004ce841720",
"scheme": "exact"
}
],
"description": "Verify an email address: check its syntax and DNS (MX) to see whether it can receive mail, no SMTP. Input: email. Returns a verdict, MX hosts and disposable, role and free-provider flags. Use when an agent must decide whether an email address looks deliverable before sending or storing it.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"email": "postmaster@example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"disposable": false,
"domain": "gmail.com",
"email": "someone@gmail.com",
"free_provider": true,
"has_mx": true,
"implicit_mx": false,
"local_part": "someone",
"mx_hosts": [
"gmail-smtp-in.l.google.com",
"alt1.gmail-smtp-in.l.google.com"
],
"normalized": "someone@gmail.com",
"notes": [
"DNS-only check: the mail server was not contacted, so mailbox existence is not verified"
],
"null_mx": false,
"reasons": [
"free_provider"
],
"role_account": false,
"smtp_checked": false,
"syntax_valid": true,
"verdict": "deliverable_likely"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"email": {
"description": "The email address to check.",
"maxLength": 320,
"minLength": 1,
"type": "string"
}
},
"required": [
"email"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"disposable": {
"type": "boolean"
},
"domain": {
"type": [
"string",
"null"
]
},
"email": {
"type": "string"
},
"free_provider": {
"type": "boolean"
},
"has_mx": {
"type": "boolean"
},
"implicit_mx": {
"type": "boolean"
},
"local_part": {
"type": [
"string",
"null"
]
},
"mx_hosts": {
"items": {
"type": "string"
},
"type": "array"
},
"normalized": {
"type": [
"string",
"null"
]
},
"notes": {
"type": "array"
},
"null_mx": {
"type": "boolean"
},
"reasons": {
"items": {
"type": "string"
},
"type": "array"
},
"role_account": {
"type": "boolean"
},
"smtp_checked": {
"type": "boolean"
},
"syntax_valid": {
"type": "boolean"
},
"verdict": {
"enum": [
"deliverable_likely",
"undeliverable",
"risky",
"unknown"
],
"type": "string"
}
},
"required": [
"email",
"normalized",
"syntax_valid",
"domain",
"has_mx",
"mx_hosts",
"null_mx",
"disposable",
"role_account",
"free_provider",
"verdict",
"reasons",
"smtp_checked"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "bc_h7pxv14u"
},
"schema": {
"additionalProperties": false,
"properties": {
"a": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"erc20ApprovalGasSponsoring": {
"info": {
"description": "The facilitator accepts a raw signed approval transaction and will sponsor the gas fees.",
"version": "1"
},
"schema": {
"properties": {
"amount": {
"pattern": "^[0-9]+$",
"type": "string"
},
"asset": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"from": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"signedTransaction": {
"pattern": "^0x[a-fA-F0-9]+$",
"type": "string"
},
"spender": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"version": {
"pattern": "^[0-9]+(\\.[0-9]+)*$",
"type": "string"
}
},
"required": [
"from",
"asset",
"spender",
"amount",
"signedTransaction",
"version"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791364949/bazaar-icons/d8143c9bc952f5cd.png",
"lastUpdated": "2026-11-01T07:08:10.734Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-11-01T07:08:10.033Z"
},
"resource": "https://tanod.dev/v1/email/verify",
"serviceName": "Tanod dnspeek",
"tags": [
"email-verification",
"email",
"validation",
"deliverability",
"dnspeek"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Verify an email address: check its syntax and DNS (MX) to see whether it can receive mail, no SMTP. Input: email. Returns a verdict, MX hosts and disposable, role and free-provider flags. Use when an agent must decide whether an email address looks deliverable before sending or storing it."
}What the leaf hashes
{"body":"6f49ea7b2f04502799018f21cda1132f12d7fb03233935a1de815966127b3b44","id":3965917,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083365268964,"prev":1790664,"subject":"x402_bazaar:https://tanod.dev/v1/email/verify","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (195826 rows).
- 0x64184d9e3cb2536de2bea4d0a2d214943c0a260c082d297b94ccba3ac5a33184
- 0x5f441ce0945278767025f1252e07b1faa9f1a5397dd951031b68ef7fd24d34c3
- 0x6b0f7b9eeed2c628f61e9b97a7adabc97b078ebc849ee2a1dd642a624a350594
- 0x24938e8d931055ab652df4d0e3454af3628e55f6e26edc226885f2bf7883c299
- 0x2bbc92a1191e2fe5abc86a5d5de966d7f060e3399da14dc0c5e6d00d0c127f2f
- 0xa0c55035d83ab20d817ecf8ce384fc3fe70e8fce09f25097d0eff2244eb16983
- 0x2553f35f09cb3de2a4e7b51b3b84a7460aee6ff7ed9afc46f34735ebccfd3b7e
- 0xcd97e2d9792dfc9acc75fe59a3b82aff93faf04e9c13358fdd1c7b0e035f84ef
- 0x0cde3b0dda64de141b0d486b8e529c980c6a2ebca29b2340abdd24aa85c9dfd2
- 0x7db0b26500ea51ce261970e905900793ce2baa5eae1f57bfeace4f9962f400a9
- 0xf5bee5b30a734a64bf8e513f2817b50cfbe586dbb3e9ca259cbf24a79a3715fb
- 0x6b91d4a5b85839e1e9102f953beff9267cf11525591d8fd47e2bd915be274e86
- 0x1786c938edaf0cc932ce19344b27c31e59e4b9f596fd5ebd5a79ef17c3a17dac
- 0x3c8b8590aa1491095b03c531400c6bb64d1d9d3fc078ffa5d834c3fe679a026d
- 0x9127f3a0ab829dab5d80217ddc8d077053e20f2e260baed043c8a97478ebb2bf
- 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
- 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
- 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
- Day root
- 0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
- Chained
- 0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
- Published
- On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa