One screened human answers an approval, verification or judgment task
One screened human answers an approval, verification or judgment task: approve or reject, true or false, or a label, with a reason and the responder's disclosed identity. $1.25 at a 24-hour deadline. Answered by hand within the deadline or refunded in full automatically. Refused: CAPTCHAs, logins, third-party contact, medical, legal or financial advice.
Not tested: has real-world effectsour last check, 2026-10-10
0 of 0checks answered this week
n/amedian answer time
$1.25listed price per call
n/aprice 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://countersignatory.com/v1/x402/check
| Category | Everything else |
|---|---|
| Provider host | countersignatory.com |
| 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
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"input": {
"action": "Send the refund of $40 to customer 1182",
"context": "The customer reported the item arrived broken and attached a photo. Policy allows refunds under $50 without a return."
},
"sla_seconds": 86400,
"template": "approval"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"oneOf": [
{
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"action": {
"description": "The action the responder is asked to approve or reject.",
"maxLength": 2000,
"minLength": 1,
"type": "string"
},
"context": {
"description": "What the responder needs to know to decide.",
"maxLength": 20000,
"minLength": 1,
"type": "string"
},
"policy": {
"description": "The policy the action should be judged against.",
"maxLength": 20000,
"type": "string"
},
"urls": {
"description": "Up to 5 pages the responder may open.",
"items": {
"description": "An http or https URL.",
"maxLength": 2000,
"pattern": "^https?://",
"type": "string"
},
"maxItems": 5,
"type": "array"
}
},
"required": [
"action",
"context"
],
"type": "object"
},
"template": {
"const": "approval"
}
}
},
{
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"claim": {
"description": "The statement to check against the evidence.",
"maxLength": 2000,
"minLength": 1,
"type": "string"
},
"evidence": {
"description": "A URL, or an uploaded PNG, JPEG, GIF, WebP or PDF of up to 10 MB before base64.",
"oneOf": [
{
"additionalProperties": false,
"properties": {
"url": {
"description": "An http or https URL.",
"maxLength": 2000,
"pattern": "^https?://",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
{
"additionalProperties": false,
"properties": {
"content_type": {
"enum": [
"image/png",
"image/jpeg",
"image/gif",
"image/webp",
"application/pdf"
],
"type": "string"
},
"data_base64": {
"minLength": 1,
"type": "string"
},
"filename": {
"maxLength": 200,
"type": "string"
}
},
"required": [
"data_base64",
"content_type"
],
"type": "object"
}
]
},
"instructions": {
"maxLength": 5000,
"type": "string"
}
},
"required": [
"claim",
"evidence"
],
"type": "object"
},
"template": {
"const": "verification"
}
}
},
{
"properties": {
"input": {
"additionalProperties": false,
"description": "Send exactly one of item or pair. An item needs labels. A pair without labels is judged A or B.",
"oneOf": [
{
"required": [
"item",
"labels"
]
},
{
"required": [
"pair"
]
}
],
"properties": {
"item": {
"description": "The one thing to label.",
"maxLength": 20000,
"minLength": 1,
"type": "string"
},
"labels": {
"description": "The 2 to 10 labels to choose from.",
"items": {
"maxLength": 100,
"minLength": 1,
"type": "string"
},
"maxItems": 10,
"minItems": 2,