CommsHarbor
CommsHarbor: email security audit of a domain (SPF, DKIM, DMARC, MX and a score), paid per call
Offering
- Provider
- commsharbor.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Other
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://commsharbor.com/api/x402/email-check- MIME type
- application/json
- First seen
- 2026-10-25T21:32:28.588Z
- Last seen
- Tags
- Email, mailbox-management
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x7c22D10a957c62044d03dB5C0086f500Fc645a26"
}
]Observed health
- Status
- Healthy
- Latest latency
- 478 ms
- Average latency
- 1700 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 5 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Public domain to check, such as example.com. A subdomain or URL is reduced to its registrable domain."
}
},
"required": [
"domain"
]
}
},
"required": [
"type",
"method",
"queryParams"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"domain": {
"description": "Public domain to check, such as example.com. A subdomain or URL is reduced to its registrable domain.",
"type": "string"
}
},
"required": [
"domain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"description": "The email security audit of one domain, paid per call: the fields of `GET /api/email-check`.",
"properties": {
"badge_url": {
"description": "SVG badge with the score.",
"type": "string"
},
"bimi": {
"description": "A BIMI record exists at the default selector.",
"type": "boolean"
},
"checked_at": {
"description": "ISO time of the DNS reading.",
"type": "string"
},
"cobranca": {
"description": "How this call was paid.",
"properties": {
"preco_usd": {
"description": "The price of the call in US dollars, such as `0.01`.",
"type": "string"
},
"repetido": {
"description": "`true` when the credit had already paid this request (the same `Idempotency-Key`): nothing was charged again.",
"type": "boolean"
},
"via": {
"description": "`x402`, `credito` or the marketplace that already charged the call.",
"type": "string"
}
},
"type": "object"
},
"dkim": {
"description": "`{found, checked}`: selectors with a published key and the selectors looked up.",
"properties": {
"checked": {
"items": {
"type": "string"
},
"type": "array"
},
"found": {
"type": "array"
}
},
"type": "object"
},
"dmarc": {
"description": "`{record, policy, reports}`: policy reject, quarantine, none or null; reports when `rua` is set.",
"properties": {
"policy": {
"type": "string"
},
"record": {
"type": "string"
},
"reports": {
"type": "boolean"
}
},
"type": "object"
},
"domain": {
"description": "Registrable domain that was checked.",
"type": "string"
},
"findings": {
"description": "`{code, severity}`, most severe first. Codes: dmarc_missing, dmarc_none, spf_plus_all, spf_missing, spf_multiple, dmarc_quarantine, dkim_not_found, spf_neutral, spf_softfail, dmarc_no_reports, mx_missing, mta_sts_missing, bimi_missing.",
"items": {
"properties": {
"code": {
"type": "string"
},
"severity": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
},
"incomplete": {
"description": "At least one DNS query failed.",
"type": "boolean"
},
"mta_sts": {
"description": "An MTA-STS policy record exists.",
"type": "boolean"
},
"mx": {
"description": "MX records as `priority host`.",
"items": {
"type": "string"
},
"type": "array"
},
"rating": {
"description": "protected (90+), good (70+), at_risk (40+) or exposed.",
"type": "string"
},
"score": {
"description": "0 to 100: DMARC up to 40, SPF 20, DKIM 20, MX 10, MTA-STS 5 and BIMI 5.",
"type": "number"
},
"share_url": {
"description": "Public page with this result.",
"type": "string"
},
"spf": {
"description": "`{record, ending, multiple}`: the first SPF record, its `all` ending and whether there are two.",
"properties": {
"ending": {
"type": "string"
},
"multiple": {
"type": "boolean"
},
"record": {
"type": "string"
}
},
"type": "object"
},
"unread": {
"description": "Parts whose DNS query failed (spf, dmarc, dkim, mx, mta_sts, bimi). They have no findings and no points.",
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}