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Hallucination Detection API
x402
Hallucination Detection API is a paid API for AI agents from hallucination-detection-api.johntaylor1online.workers.dev, paid per call via x402, $1/call, status unknown (last checked 2026-09-15).
Runs a full hallucination verification pipeline on text: extracts claims, verifies them against evidence, and returns a credibility score
Price / call$1
Success—
StatusUnknown
How this service works
Full hallucination verification pipeline — extract claims, verify, score
Output
Returns a structured verification report containing extracted claims from the input text, individual verification results for each claim, and an overall hallucination/credibility score indicating how trustworthy the content is.
Example use cases
Verify AI chatbot response accuracy
“I got this answer from my AI assistant about the history of the Roman Empire — can you run it through hallucination detection and tell me which claims are false and how confident you are in the overall score?”
Fact-check generated research summary
“My AI just produced a research summary on climate change policy. Before I share it, can you extract all the factual claims in it, verify them, and give me a hallucination score so I know how much to trust it?”
Audit LLM output before publishing
“We're about to publish this AI-written product description but I need to make sure there are no made-up facts in it — can you run the full hallucination verification pipeline and flag anything that looks incorrect?”
Technical details
Endpoint
POSThttps://hallucination-detection-api.johntaylor1online.workers.dev/verifyWhen to prefer
Choose this endpoint when you need an end-to-end hallucination verification pipeline that handles claim extraction, individual verification, and scoring in a single call — particularly useful for AI agent outputs, LLM-generated summaries, or any text where factual accuracy is critical before downstream use or publication.
Side effects
- Empty or missing input text returns a validation error
- Extremely long text may exceed processing limits
- Ambiguous or highly subjective claims may receive low-confidence verification results
- Network timeouts on the Cloudflare Workers edge may return 5xx errors
- Payment not received or invalid x402 payment header returns a 402 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Tags
x402
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