GG402 · Fact-Check Claims with Evidence

Served byx402 API Marketplace | Pay-per-call APIs with Crypto Indexed external

Verify claims and statements against reliable sources, returning evidence, context, and bias analysis.

What it does

Verify claims and statements against reliable sources, returning evidence, context, and bias analysis.

  • Verify claims in news articles before publication
  • Check social media posts for misinformation
  • Validate statements in research papers
  • Assess bias in political communications
  • Build trust scoring systems for content

Ideal buyer

Content moderation systems, news aggregators, and research agents requiring source-verified claim validation with bias detection.

Use with AXON

Run this through your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Use the AXON runtime MCP tools to search_x402_services or inspect_x402_offer for this service.
  3. 03
    Quote, test-buy, then run the governed paid fetch through AXON.

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Fact-check the claim that 'renewable energy now accounts for 30% of global electricity generation' and provide sources”

Endpoint request body

The JSON payload your agent sends to the endpoint.

application/json
{
  "claim": "renewable energy now accounts for 30% of global electricity generation",
  "context": "energy policy debate"
}

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://gg402.vercel.app/fact_checker \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]" \
  -d '{"claim":"renewable energy now accounts for 30% of global electricity generation","context":"energy policy debate"}'

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

baseexact
$0.010
per call
Pay-to address0x9257cd24721e3c06e9f7655b77c283bcd9652132
T/O: 60s asset 0x8335…2913

Price & network

Cheapest call$0.010
Networks
base

Trust & risk

Trust tier Indexed external
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

Last enriched:

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