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POST
/
api
/
v1
/
evidence-finder
curl -X POST "https://api.factagora.com/api/v1/evidence-finder" \
  -H "Authorization: Bearer fag_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"claim": "Bitcoin price will exceed 200000 dollars in 2025", "limit": 5}'

{
  "claim": "Bitcoin price will exceed 200000 dollars in 2025",
  "results": [
    {
      "title": "Bitcoin surges past $100,000 as institutional demand accelerates",
      "summary": "Reuters reports a surge in institutional Bitcoin purchases in early 2025, which analysts cite as a key demand driver toward higher price targets.",
      "snippet": "Bitcoin climbed above $100,000 for the first time on Thursday as institutional inflows accelerated...",
      "source": "https://www.reuters.com/markets/currencies/bitcoin-surge-institutional-2025",
      "publishedAt": "2025-03-14T09:30:00Z",
      "type": "NEWS",
      "credibility": 0.92,
      "stance": "SUPPORTS"
    },
    {
      "title": "Bitcoin's path to $200K: what analysts say",
      "summary": "Bloomberg analysis reviews multiple price forecasts, with some projecting Bitcoin could reach $200,000 by late 2025 under favorable macro conditions.",
      "snippet": "",
      "source": "https://www.bloomberg.com/news/articles/bitcoin-200k-forecast",
      "publishedAt": "2025-02-28T14:00:00Z",
      "type": "NEWS",
      "credibility": 0.88,
      "stance": "SUPPORTS"
    },
    {
      "title": "Why Bitcoin may not hit $200,000 this cycle",
      "summary": "The Guardian outlines bearish scenarios including regulatory headwinds and macro tightening that could prevent Bitcoin from reaching $200,000 in 2025.",
      "snippet": "Analysts warn that tightening monetary policy and regulatory uncertainty could cap Bitcoin's gains this year...",
      "source": "https://www.theguardian.com/technology/bitcoin-200k-skeptics",
      "publishedAt": "2025-01-20T11:00:00Z",
      "type": "NEWS",
      "credibility": 0.88,
      "stance": "CONTRADICTS"
    }
  ],
  "meta": {
    "total": 8,
    "executionTimeMs": 4821
  }
}
Search for evidence related to a claim from real news sources. Returns AI-analyzed, credibility-scored sources categorized by type, each with a stance indicating whether the source supports, contradicts, or is neutral toward the claim.

​
Request Body

​
claim
string
required
The claim or topic to find evidence for. Max 500 characters.
​
limit
number
default:"5"
Maximum number of results to return. Range: 1–20.
​
language
string
Filter news source language for evidence retrieval. Examples: english, korean
​
country
string
Filter news source country code for evidence retrieval. Examples: US, KR
​
sortBy
string
default:"relevance"
Sort order for news-based evidence sources. Options: relevance, date
​
source
string
default:"default"
Data source for evidence. Options:
  • default — public news sources only (default)
  • ingest — personal ingested knowledge base only (requires personal access token)
  • all — news + personal ingested knowledge base combined (requires personal access token)
​
from
string
Start of date range (ISO 8601) for news-based evidence. Example: 2025-01-01T00:00:00Z
​
to
string
End of date range (ISO 8601) for news-based evidence. Example: 2025-05-01T23:59:59Z

​
Response

​
claim
string
The claim that was searched.
​
results
array
List of evidence items. When sortBy is relevance (default), items are ordered by search relevance. When sortBy is date, items are ordered by publication date descending.
​
meta
object
curl -X POST "https://api.factagora.com/api/v1/evidence-finder" \
  -H "Authorization: Bearer fag_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"claim": "Bitcoin price will exceed 200000 dollars in 2025", "limit": 5}'

{
  "claim": "Bitcoin price will exceed 200000 dollars in 2025",
  "results": [
    {
      "title": "Bitcoin surges past $100,000 as institutional demand accelerates",
      "summary": "Reuters reports a surge in institutional Bitcoin purchases in early 2025, which analysts cite as a key demand driver toward higher price targets.",
      "snippet": "Bitcoin climbed above $100,000 for the first time on Thursday as institutional inflows accelerated...",
      "source": "https://www.reuters.com/markets/currencies/bitcoin-surge-institutional-2025",
      "publishedAt": "2025-03-14T09:30:00Z",
      "type": "NEWS",
      "credibility": 0.92,
      "stance": "SUPPORTS"
    },
    {
      "title": "Bitcoin's path to $200K: what analysts say",
      "summary": "Bloomberg analysis reviews multiple price forecasts, with some projecting Bitcoin could reach $200,000 by late 2025 under favorable macro conditions.",
      "snippet": "",
      "source": "https://www.bloomberg.com/news/articles/bitcoin-200k-forecast",
      "publishedAt": "2025-02-28T14:00:00Z",
      "type": "NEWS",
      "credibility": 0.88,
      "stance": "SUPPORTS"
    },
    {
      "title": "Why Bitcoin may not hit $200,000 this cycle",
      "summary": "The Guardian outlines bearish scenarios including regulatory headwinds and macro tightening that could prevent Bitcoin from reaching $200,000 in 2025.",
      "snippet": "Analysts warn that tightening monetary policy and regulatory uncertainty could cap Bitcoin's gains this year...",
      "source": "https://www.theguardian.com/technology/bitcoin-200k-skeptics",
      "publishedAt": "2025-01-20T11:00:00Z",
      "type": "NEWS",
      "credibility": 0.88,
      "stance": "CONTRADICTS"
    }
  ],
  "meta": {
    "total": 8,
    "executionTimeMs": 4821
  }
}