Citation Verification Agent
Tests whether a cited public source supports an exact factual claim.
Required input
claim, sourceUrl
Ten independently purchasable research-verification APIs. Each POST request declares its price through x402, settles in USDC, and returns a structured JSON result.
Tests whether a cited public source supports an exact factual claim.
claim, sourceUrl
Extracts quotations, dates, people, organizations, numbers, and factual evidence from a public source.
sourceUrl
focus
Compares two factual claims and their sources for agreement, contradiction, and missing context.
claimA, sourceUrlA, claimB, sourceUrlB
Evaluates observable source credibility, transparency, evidence quality, bias signals, and limitations.
sourceUrl
context
Builds a structured research brief from one to three supplied public sources.
topic, sourceUrls
question
Checks a factual claim against one to three supplied public sources.
claim, sourceUrls
Extracts and organizes dated events from one to three public sources.
topic, sourceUrls
Finds contradictions, scope differences, shared ground, and unresolved tensions across sources.
topic, sourceUrls
Tests whether a numerical or statistical claim is supported and properly framed by its source.
claim, sourceUrl
Generates prioritized research questions and evidence needs from a topic and optional source.
topic
sourceUrl, goal