Does WYRLO replace my RAG?
No. You keep your search and model; WYRLO verifies the response before it leaves.
AI testing & review · France
WYRLO
An API that verifies each RAG response against its sources
- Community votes0
- DR by Ahrefs0 no change since last check
Ahrefs Domain Rating set in type 14 Nov 2026, reset 12 Nov 2026.
WYRLO verifies RAG responses against their sources, says "I don't know" instead of fabricating answers, and improves nightly with evidence.
The story so far
WYRLO is an API that validates each response from your RAG system against its source documents. After your search and language model generate an answer, you send the question, passages, and response to WYRLO, which verifies that each statement is supported by the provided sources. The API returns a confidence level—certain, probable, or "I don't know"—ensuring answers are grounded in your data rather than hallucinated.
WYRLO improves automatically each night by analyzing verification failures, proposing corrections with before-and-after measurements, and keeping you in control with proof for every change. On a sealed test set of 64 cases, the verification made the right decision in 31 out of 32 cases in both French and English.
The service keeps your data in Europe with a database in Paris, retains logs for 30 days by default, and never uses your data to train AI models. Integration is simple: one HTTPS call after your existing RAG pipeline, with REST API available now and Python and TypeScript libraries coming soon.
Typeset features
- Response verification against source documents
- Confidence levels: certain, probable, or I don't know
- Nightly automatic improvements with proof
- REST API with coming Python and TypeScript SDKs
- LangChain and LlamaIndex integration support
- MCP server integration option
- Data hosted in Paris, Europe
- Full verification in French and English
- Graceful degradation if API fails
- User data never used for AI training
Pricing
Pricing model: Contact for pricing
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WYRLO metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 0 no change since last check |
| Citation Flow | 0 no change since last check |
| Referring domains | 0 no change since last check |
| External backlinks | 0 no change since last check |
Ahrefs Domain Rating set in type 14 Nov 2026, reset 12 Nov 2026. Majestic set 12 Nov 2026, reset 12 Nov 2026. Link data typeset by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
WYRLO domain colophon
Read the colophon
| Domain age | 3 months |
|---|---|
| Registered | |
| Expires | |
| Registrar | OVH SAS |
| DNSSEC | Signed |
WYRLO launch colophon
Measured after WYRLO went live on Zivaro Launch on 12 November 2026.
- Domain Rating (Ahrefs)
- 0 no change since launch
- 0 at launch (12 Nov 2026), 0 on 13 Nov 2026
- Trust Flow (Majestic)
- 0
- First measured 12 Nov 2026
- Referring domains (Majestic)
- 0
- First measured 12 Nov 2026
Day 1 since launch. Next receipt: day 30, 12 Dec 2026. These are measurements, not proof of cause: many things move these numbers. Figures we have not measured are left out.
Your launch, step by step
Free tips from Zivaro Launch for getting ready, launch day, the week after and what to do next.
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Questions and answers
What happens if WYRLO does not respond?
The API response indicates it has not been verified (degraded mode): you choose whether to display it or not.
Is my data used to train an AI?
No, never.
Which languages does WYRLO support?
Full verification in French and English; other languages are marked as not verified.
How much does it cost?
Pricing will be available soon.
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