SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiate
SSL/TLS certificate check: expiry, issuer, SANs, chain validity, hostname match, negotiated protocol/cipher, and weak-algo warnings for a public HTTPS host. Clean JSON.
10000 (raw units)
price
12
calls / 30d
8
unique payers
2026-09-17
updated
Provider
ssl.use.x402atlas.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xD7FE185ddaa9664c9211EC1ccDAc073Ef79215bf",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:137",
"payTo": "0xD7FE185ddaa9664c9211EC1ccDAc073Ef79215bf",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "eip155:42161",
"payTo": "0xD7FE185ddaa9664c9211EC1ccDAc073Ef79215bf",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "10000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"category": "domain-intelligence",
"info": {
"input": {
"method": "GET",
"queryParams": {
"host": "example.com",
"port": 443
},
"type": "http"
},
"output": {
"example": {
"certificate": {
"issuer_cn": "DigiCert Global G3 TLS ECC SHA384 2020 CA1",
"issuer_org": "DigiCert Inc",
"key_algorithm": "ECDSA",
"key_size": 256,
"not_after": "2027-02-15T23:59:59Z",
"not_before": "2026-01-15T00:00:00Z",
"sans": [
"example.com",
"www.example.com"
],
"serial_number": "212351572002930070173044758915925313",
"signature_algorithm": "ECDSA-SHA384",
"subject_cn": "example.com"
},
"chain": {
"chain_valid": true,
"days_until_expiry": 228,
"hostname_matches": true,
"is_expired": false,
"is_self_signed": false
},
"connection": {
"cipher_suite": "TLS_AES_128_GCM_SHA256",
"tls_version": "TLS 1.3"
},
"host": "example.com",
"port": 443,
"queried_at": "2026-07-02T12:00:00Z",
"warnings": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"host": {
"description": "Hostname to inspect (no scheme, no IP literal, not localhost or a reserved/internal suffix)",
"type": "string"
},
"port": {
"default": 443,
"description": "TLS port; restricted to an allowlist",
"enum": [
443,
8443
],
"type": "integer"
}
},
"required": [
"host"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"certificate": {
"properties": {
"issuer_cn": {
"type": "string"
},
"issuer_org": {
"type": "string"
},
"key_algorithm": {
"description": "e.g. RSA, ECDSA, Ed25519",
"type": "string"
},
"key_size": {
"description": "Key size in bits (0 for algorithms with no fixed size, e.g. Ed25519)",
"type": "integer"
},
"not_after": {
"format": "date-time",
"type": "string"
},
"not_before": {
"format": "date-time",
"type": "string"
},
"sans": {
"description": "Subject Alternative Names",
"items": {
"type": "string"
},
"type": "array"
},
"serial_number": {
"type": "string"
},
"signature_algorithm": {
"type": "string"
},
"subject_cn": {
"type": "string"
}
},
"type": "object"
},
"chain": {
"properties": {
"chain_valid": {
"description": "Verified against the system trust store using only the intermediates the server presented; no AIA fetching",
"type": "boolean"
},
"days_until_expiry": {
"type": "integer"
},
"hostname_matches": {
"type": "boolean"
},
"is_expired": {
"type": "boolean"
},
"is_self_signed": {
"type": "boolean"
}
},
"type": "object"
},
"connection": {
"properties": {
"cipher_suite": {
"type": "string"
},
"tls_version": {
"type": "string"
}
},
"type": "object"
},
"host": {
"type": "string"
},
"port": {
"type": "integer"
},
"queried_at": {
"description": "When the inspection ran",
"format": "date-time",
"type": "string"
},
"warnings": {
"description": "Human-readable advisories (weak algo, expired, self-signed, chain invalid, hostname mismatch); empty array when clean",
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"ssl",
"tls",
"certificate",
"https",
"expiry",
"chain",
"hostname",
"security"
]
}
}Use it
curl
curl "https://ssl.use.x402atlas.com/check" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://ssl.use.x402atlas.com/check");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://ssl.use.x402atlas.com/check")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/1372.json, and this resource appears in /discovery/resources and /discovery/search.