SSL certificate check for any domain — issuer, subject, SANs, valid from/to, day
SSL certificate check for any domain — issuer, subject, SANs, valid from/to, days until expiry, expired/self-signed flags, TLS version, chain length. One TLS handshake, sub-2-second answer. The light, cheap tier under /ssl/analyze (full analysis, grading). No API key.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
917 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://netintel.dev/ssl/cert
| Category | Everything else |
|---|---|
| Provider host | netintel.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.003 | 917 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"domain": "example.com"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"domain": {
"description": "Domain to check (e.g. example.com) \u2014 a full URL is also accepted, the host is extracted. Aliases: host, hostname, url, site",
"type": "string"
},
"port": {
"description": "Port to connect to (default: 443, clamped to 1-65535). Alias: p",
"type": "number"
}
},
"required": [
"domain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cache_age_seconds": {
"type": "number"
},
"chain_length": {
"type": "number"
},
"days_remaining": {
"type": [
"number",
"null"
]
},
"domain": {
"type": "string"
},
"expired": {
"type": "boolean"
},
"findings": {
"type": "array"
},
"issuer": {
"properties": {
"common_name": {
"type": [
"string",
"null"
]
},
"organization": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"key": {
"properties": {
"bits": {
"type": [
"number",
"null"
]
},
"type": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"not_yet_valid": {
"type": "boolean"
},
"port": {
"type": "number"
},
"sans": {
"type": "array"
},
"sans_truncated": {
"type": "boolean"
},
"self_signed": {
"type": "boolean"
},
"sig_alg": {
"type": [
"string",
"null"
]
},
"subject": {
"type": [
"string",
"null"
]
},
"tls_version": {
"type": [
"string",
"null"
]
},
"valid_from": {
"type": [
"string",
"null"
]
},
"valid_to": {
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}