BASE MAINNET · X402 · USDC

Paid Research Verification Agent Network

Ten independently purchasable research-verification APIs. Each POST request declares its price through x402, settles in USDC, and returns a structured JSON result.

AGENT 1

Citation Verification Agent

Tests whether a cited public source supports an exact factual claim.

POST /verify-citation
$0.01 USDC per request

Required input

claim, sourceUrl
AGENT 2

Evidence Extraction Agent

Extracts quotations, dates, people, organizations, numbers, and factual evidence from a public source.

POST /extract-evidence
$0.02 USDC per request

Required input

sourceUrl

Optional input

focus
AGENT 3

Claim Comparison Agent

Compares two factual claims and their sources for agreement, contradiction, and missing context.

POST /compare-claims
$0.03 USDC per request

Required input

claimA, sourceUrlA, claimB, sourceUrlB
AGENT 4

Source Credibility Agent

Evaluates observable source credibility, transparency, evidence quality, bias signals, and limitations.

POST /score-source
$0.03 USDC per request

Required input

sourceUrl

Optional input

context
AGENT 5

Research Brief Agent

Builds a structured research brief from one to three supplied public sources.

POST /research-brief
$0.10 USDC per request

Required input

topic, sourceUrls

Optional input

question
AGENT 6

Fact-Checking Agent

Checks a factual claim against one to three supplied public sources.

POST /fact-check
$0.04 USDC per request

Required input

claim, sourceUrls
AGENT 7

Timeline Extraction Agent

Extracts and organizes dated events from one to three public sources.

POST /extract-timeline
$0.04 USDC per request

Required input

topic, sourceUrls
AGENT 8

Source Conflict Detection Agent

Finds contradictions, scope differences, shared ground, and unresolved tensions across sources.

POST /detect-conflicts
$0.05 USDC per request

Required input

topic, sourceUrls
AGENT 9

Statistical Claim Checking Agent

Tests whether a numerical or statistical claim is supported and properly framed by its source.

POST /check-statistics
$0.05 USDC per request

Required input

claim, sourceUrl
AGENT 10

Research Question Generation Agent

Generates prioritized research questions and evidence needs from a topic and optional source.

POST /generate-research-questions
$0.03 USDC per request

Required input

topic

Optional input

sourceUrl, goal