Skip to main content
POST
/
api
/
v1
/
fact-checker
curl -X POST "https://api.factagora.com/api/v1/fact-checker" \
  -H "Authorization: Bearer fct_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"claim": "The global average temperature has risen by 1.1°C since pre-industrial times."}'
{
  "claim": "The global average temperature has risen by 1.1°C since pre-industrial times.",
  "verdict": "TRUE",
  "confidence": 0.95,
  "summary": "According to IPCC reports and NASA data, global average surface temperature has increased by approximately 1.1°C above pre-industrial levels as of 2023."
}
Verify whether a given claim is true, false, or uncertain. Returns a verdict with a confidence score and a summary of the reasoning.

Request Body

claim
string
required
The claim or statement to verify. Max 1000 characters.

Response

claim
string
The original claim that was submitted.
verdict
string
The fact-check result. One of: TRUE, FALSE, UNCERTAIN
confidence
number
Confidence score for the verdict. Range: 0–1.
summary
string
A brief explanation of the verdict and key evidence used.
curl -X POST "https://api.factagora.com/api/v1/fact-checker" \
  -H "Authorization: Bearer fct_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"claim": "The global average temperature has risen by 1.1°C since pre-industrial times."}'
{
  "claim": "The global average temperature has risen by 1.1°C since pre-industrial times.",
  "verdict": "TRUE",
  "confidence": 0.95,
  "summary": "According to IPCC reports and NASA data, global average surface temperature has increased by approximately 1.1°C above pre-industrial levels as of 2023."
}