---
title: "RAG query (Nessie)"
method: POST
path: "/nessie/query"
tags: ["AI Intelligence"]
---

# RAG query (Nessie)

`POST /nessie/query`

## Request

- Base URL: `https://app.arkova.ai/api/v1`
- URL: `https://app.arkova.ai/api/v1/nessie/query`
- Auth: HTTP bearer

Retrieval-augmented generation query against the Arkova knowledge base. Requires JWT + x402 payment.

## Request body

- object
  - `query` string, required: Natural language question
  - `max_sources` integer: Max sources to include in response

## Response `200`

RAG response with cited sources

- object
  - `answer` string
  - `sources` object[]
    - `title` string
    - `url` string
    - `relevance` number
  - `tokens_used` integer

## Other responses

- `400`: Invalid request
- `401`: Authentication required
- `402`: Payment required (x402)
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/arkova/apis/arkova-verification-api.md) · [All operations](https://skmtc.dev/arkova/apis/arkova-verification-api/llms.txt) · [OpenAPI document](https://skmtc.dev/arkova/apis/arkova-verification-api/revisions/a14858d1efd4?raw)