← The evidence ledger
Evidence row 18792
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentsvc.io/api/v1/proxy/email-verify
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 91f09a1530d684d87bc5e91c98d027d1b8365acb3e8cb6a85c985456556153c6
- Leaf
- 0xbee572d9fd85ae887a615f0400e33bf5d79e58bfec8ca2dfddfb0e26f5edd5bb
What was observed
{
"endpoints": [
[
"x402",
"https://agentsvc.io/api/v1/proxy/email-verify"
]
],
"name": "Email Verification SMTP",
"owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
"raw": {
"accepts": [
{
"amount": "2500",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "2500",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
"scheme": "exact"
},
{
"amount": "2500",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "2500",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
}
],
"description": "Email verification: checks whether an email address really exists by asking its mail server (SMTP RCPT TO probe; no email is sent), on top of syntax, MX, disposable and role checks. Returns status deliverable, undeliverable (mailbox does not exist), catch_all (domain accepts any address), risky (disposable or mailbox full) or unknown (greylisting, server refused the check), plus the raw SMTP reply. Use it before sending outreach, to clean lead lists or to block fake sign-ups.",
"extensions": {
"bazaar": {
"category": "utility",
"info": {
"input": {
"body": {
"email": "support@microsoft.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"checked_at": "2026-10-25T03:47:59.423Z",
"deliverable": true,
"domain": "microsoft.com",
"email": "support@microsoft.com",
"format_valid": true,
"is_catch_all": false,
"is_disposable": false,
"is_free_provider": false,
"is_role_address": true,
"mx_records": [
"microsoft-com.mail.protection.outlook.com"
],
"note": "SMTP mailbox probe (RCPT TO). No email was sent.",
"reason": "mailbox_exists",
"smtp": {
"catch_all_code": 550,
"catch_all_session": "separate",
"code": 250,
"message": "2.1.5 Recipient OK",
"mx": "microsoft-com.mail.protection.outlook.com"
},
"status": "deliverable"
},
"success": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"email": {
"description": "Email address to verify",
"format": "email",
"type": "string"
}
},
"required": [
"email"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"checked_at": {
"type": "string"
},
"deliverable": {
"type": "boolean"
},
"domain": {
"type": "string"
},
"email": {
"type": "string"
},
"format_valid": {
"type": "boolean"
},
"is_catch_all": {
"type": [
"boolean",
"null"
]
},
"is_disposable": {
"type": "boolean"
},
"is_free_provider": {
"type": "boolean"
},
"is_role_address": {
"type": "boolean"
},
"mx_records": {
"items": {
"type": "string"
},
"type": "array"
},
"note": {
"type": "string"
},
"reason": {
"type": "string"
},
"smtp": {
"properties": {
"catch_all_code": {
"type": "integer"
},
"catch_all_session": {
"type": "string"
},
"code": {
"type": "integer"
},
"message": {
"type": "string"
},
"mx": {
"type": "string"
}
},
"type": "object"
},
"status": {
"enum": [
"deliverable",
"undeliverable",
"catch_all",
"risky",
"unknown"
],
"type": "string"
}
},
"required": [
"email",
"status",
"deliverable",
"reason"
],
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"email-verification",
"email-verify",
"email-finder",
"email",
"deliverability",
"smtp",
"lead",
"validation",
"bounce"
]
},
"builder-code": {
"info": {
"a": "bc_q6wi3opd"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
"lastUpdated": "2026-10-26T04:06:46.713Z",
"quality": {
"l30DaysTotalCalls": 15,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-26T04:06:46.504Z"
},
"resource": "https://agentsvc.io/api/v1/proxy/email-verify",
"serviceName": "Email Verification SMTP",
"tags": [
"email-verification",
"email-verify",
"email-finder",
"email",
"deliverability"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Email verification: checks whether an email address really exists by asking its mail server (SMTP RCPT TO probe; no email is sent), on top of syntax, MX, disposable and role checks. Returns status deliverable, undeliverable (mailbox does not exist), catch_all (domain accepts any address), risky (disposable or mailbox full) or unknown (greylisting, server refused the check), plus the raw SMTP reply. Use it before sending outreach, to clean lead lists or to block fake sign-ups."
}What the leaf hashes
{"body":"91f09a1530d684d87bc5e91c98d027d1b8365acb3e8cb6a85c985456556153c6","id":18792,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025330722423,"prev":null,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/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 (296695 rows).
- 0xbee5375bf86906c5165099f0f7644f72e627f7a83ef0c132c6a638ce39925e71
- 0xc75e221466b76f584d885d18da637db07ea163a4c04d34ac620814ac910feba7
- 0x6b52a4715b29d21ad03cea4a7243f6f1a945378eb224f331de6399f4b705e58a
- 0xa54fccc27fa5476b6b7b908c019a3ea9020930e8f473a29033a99206a674c504
- 0xe09ddacdd6b05da8969c0e586faeb2275e0e583d1e6090623a531dcd59bceacd
- 0x57fb03a2dd19a3433f72f8f9d9b8228efa561f2b6cbc438539cf648af76be0d6
- 0x2cabe3dcda677e2885b85a2e61d54834f52d69ab1b2baaaa909ab8225cdb6c8b
- 0x5da62d2ff906c688162e49cfa4bc52e395ad907f66b4ed6dd1aa427faeb0d611
- 0x9256e1cced21980ce963d76c45e282793b4c006b22bce6775e9d2eb3e8e04993
- 0x48d04da54de88082e11aa43e473de1dfd941bdfb166e542aa1c13b29e3d7754a
- 0x0decbdcd600e934c38d679c1b99f27ba6676644e856ed6ba36bca74feb432866
- 0xc520305226daa0caf1c2416854f726ec072c950c1903497b2a1e88b0c6f406da
- 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae