Exact CERT-FR observation comparison
Exact CERT-FR observation comparison. Qualified unchanged answers are paid.
Answeringour last check, 2026-10-20
1 of 1checks answered this week
1370 msmedian answer time
$0.05listed price per call
$0.05price 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://foundry-api-production-95ae.up.railway.app/v1/security/certfr-change-brief
| Category | Everything else |
|---|---|
| Provider host | foundry-api-production-95ae.up.railway.app |
| 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 |
|---|---|---|---|---|
| 2026-10-20 | valid payment request | 402 | $0.05 | 1370 ms |
Example input (from the provider)
{
"body": {
"after_observation_id": "b-certfr-observation:d0fdba3591d26b1a3d0039cd7ba16a191ee0b56b829e4d39719ba4dc896825de",
"before_observation_id": "b-certfr-observation:7dee2e9642e69374101e71210891f0853298076f64b86109367ba939460c1c43",
"client_request_id": "real-pair-2",
"native_id": "CERTFR-2026-AVI-1264"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false,
"properties": {
"after_observation_id": {
"pattern": "^b-certfr-observation:[0-9a-f]{64}$",
"type": "string"
},
"before_observation_id": {
"pattern": "^b-certfr-observation:[0-9a-f]{64}$",
"type": "string"
},
"client_request_id": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"native_id": {
"maxLength": 512,
"pattern": "^CERTFR-[0-9]{4}-AVI-[0-9]+$",
"type": "string"
}
},
"required": [
"client_request_id",
"native_id",
"before_observation_id",
"after_observation_id"
],
"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": {
"additionalProperties": false,
"properties": {
"format": {
"const": "/v1/contracts/products/cd600dd2b0132f62cd1181b34c65322411b586ad3e8488d15720e886a86ead51/output.json"
},
"type": {
"const": "json"
}
},
"required": [
"type",
"format"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}