Call when an agent needs whether the negotiated protocol on port 443 is TLS 1.2
Call when an agent needs whether the negotiated protocol on port 443 is TLS 1.2 or 1.3. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/tls-protocol first.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
890 msmedian answer time
$0.002listed price per call
$0.002price 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
POST https://agentshelf.syntexa.ch/v1/tls-protocol
| Category | Code and developer |
|---|---|
| Provider host | agentshelf.syntexa.ch |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 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 | $0.002 | 890 ms |
Example input (from the provider)
{
"body": {
"host": "example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"host": {
"maxLength": 253,
"minLength": 1,
"type": "string"
},
"url": {
"maxLength": 2048,
"minLength": 8,
"type": "string"
}
},
"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": {
"additionalProperties": false,
"properties": {
"billed": {
"type": "boolean"
},
"cipher": {
"type": [
"string",
"null"
]
},
"days_left": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
},
"focus": {
"type": "string"
},
"host": {
"type": "string"
},
"hostname_match": {
"type": "boolean"
},
"issuer": {
"type": [
"string",
"null"
]
},
"ok": {
"const": true,
"type": "boolean"
},
"ok_check": {
"type": "boolean"
},
"port": {
"type": "integer"
},
"protocol": {
"type": [
"string",
"null"
]
},
"pubkey_type": {
"type": [
"string",
"null"
]
},
"receipt_id": {
"type": "string"
},
"sans": {
"items": {
"type": "string"
},
"type": "array"
},
"self_signed": {
"type": "boolean"
},
"subject": {
"type": [
"string",
"null"
]
},
"valid_from": {
"type": [
"string",
"null"
]
},
"valid_to": {
"type": [
"string",
"null"
]
},
"warnings": {
"default": [],
"items": {
"type": "string"
},
"type": "array"
},
"wildcard": {
"type": "boolean"
},
"within_days": {
"anyOf": [
{
"type": "integer"
},
{
"type": "null"
}
]
}
},
"required": [
"ok",
"receipt_id",
"billed",
"host",
"port",
"focus",
"ok_check",
"protocol",
"cipher",
"subject",
"issuer",
"sans",
"wildcard",
"self_signed",
"hostname_match",
"valid_from",
"valid_to",
"days_left",
"within_days",
"pubkey_type"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}