SWARM Site Check
SWARM Site Check - Is a URL up? HTTP status, final URL after redirects, response time and TLS errors. Requires `url`. Instant, no AI. $0.002.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
902 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://swarm-agent.net/services/site-check
| Category | Everything else |
|---|---|
| Provider host | swarm-agent.net |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.002 | 902 ms |
Example input (from the provider)
{
"body": {
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"url": {
"description": "Public http(s) URL, ports 80/443 only, e.g. https://example.com.",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"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": {
"checkedAt": {
"description": "When it was checked.",
"format": "date-time",
"type": "string"
},
"contentType": {
"description": "Content-Type of the answer.",
"type": "string"
},
"error": {
"description": "Why it is down: timed out, ENOTFOUND, a TLS error...",
"type": [
"string",
"null"
]
},
"finalUrl": {
"description": "Where it ended up after redirects.",
"type": [
"string",
"null"
]
},
"https": {
"description": "Whether the final URL is HTTPS (certificate errors show in `error`).",
"type": "boolean"
},
"redirects": {
"description": "How many redirects were followed (max 5).",
"type": "integer"
},
"responseMs": {
"description": "Time to the answer, in milliseconds.",
"type": "integer"
},
"status": {
"description": "HTTP status, or null if it did not answer.",
"type": [
"integer",
"null"
]
},
"title": {
"description": "The page title, if it is HTML.",
"type": "string"
},
"up": {
"description": "true if it answered with HTTP 2xx or 3xx.",
"type": "boolean"
},
"url": {
"description": "The URL as requested.",
"type": "string"
}
},
"required": [
"url",
"up",
"status",
"responseMs",
"checkedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}