---
title: "Answer a question with cited synthesis"
method: POST
path: "/api/mpp/v1/answer"
---

# Answer a question with cited synthesis

`POST /api/mpp/v1/answer`

## Request body

- object
  - `query` string, required — Natural language query.
  - `source_indexes` string[] — Indexes to search: "data" (curated knowledge graph, default) and/or "web". Default ["data"].
  - `effort` 'fast' — Only "fast" is supported.
  - `location` object — Optional end-user location for location-aware queries.
    - `latitude` number
    - `longitude` number

## Response `200`

Successful response

## Other responses

- `402` — Payment Required

---

[API](https://skmtc.net/tako/apis/tako-api.md) · [All operations](https://skmtc.net/tako/apis/tako-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/tako/tako-api/versions/212ef2954a14/schema)