← The evidence ledger
Evidence row 1790664
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://tanod.dev/v1/email/verify
- Recorded
- Previous row
- #122256
- Body SHA-256
- bb2bdcf584c57c232f88f478d810c2da8e67b38a81e996ac0cc0e28ba21ce03f
- Leaf
- 0x04fdf540eb325f591a12181c816282049c7e3998ccd3b5b07211c31fc51145b4
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": 9,
"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":"bb2bdcf584c57c232f88f478d810c2da8e67b38a81e996ac0cc0e28ba21ce03f","id":1790664,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559936778883,"prev":122256,"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 (302406 rows).
- 0x04fe1395b13264c07ffb6803480637f94281e859bfa43f74f372aa40fff34895
- 0x8338df96c3fdb8af6d42a40c0d0e786580622bca9eb1bf7b01eeb8bbed6dfdda
- 0xc3c35ac0444650c0f5edc1d701642658ac7018800eacefd0aad43adaf2eed59f
- 0x9a00925c19fea73840579492c59862aa5986f61e64b192bea9811dfd7b0e99f5
- 0xb58c0fef059d96627887e6848b1f79f16afba44dcd60698a1c7499eb2ce3b82f
- 0xadfb628ec2c952cf3d4289be3fd7a7efe668f68ba49b26f8b305c289301b5348
- 0x3bc9d6e99ccffea05648f54e1121347f5b5d465cffcf33099e1a7842154ca229
- 0x45dccfe6de663dce9e0d82e38e9c7bd873fb1790f5d24d6e703284269f2ccf7d
- 0xc26a4fab697661270c7f659a376502e3e4aeed1a605ad9068b4c5ea26dbaec33
- 0xae9c1d60baa46ce26ccd66c63da9684bd8b7b31c47f74f57a844d02daa0a1c9f
- 0x54a37b31565710214aa63e8906e3bc8e47f6603f406761b13a202fecf679bc44
- 0xec4ac8e9128a98bd8b22c9c86fc6c8ea37bb9a01b3450b0ce0212616ada165ed
- 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
- 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
- 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
- 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90