---
title: "Retrieve one canonical Knowledge Atlas topic"
method: GET
path: "/api/agent/v1/topic/{id}"
---

# Retrieve one canonical Knowledge Atlas topic

`GET /api/agent/v1/topic/{id}`

## Request

- Base URL: `https://californiabitcoin.org`
- URL: `https://californiabitcoin.org/api/agent/v1/topic/{id}`
- Auth: none required

## Path parameters

- `id` string, required

## Response `200`

Structured deterministic California Bitcoin knowledge result

- object
  - `operation` string, required
  - `productId` string, nullable
  - `access` 'free' | 'paid', required
  - `price` object, required
    - `currency` string
    - `amountCents` integer
  - `result` object, required
  - `paymentReceipt` object

## Other responses

- `400`: Invalid input
- `404`: Topic not found

---

[API](https://skmtc.dev/californiabitcoin/apis/california-bitcoin-agent-commerce-api.md) · [All operations](https://skmtc.dev/californiabitcoin/apis/california-bitcoin-agent-commerce-api/llms.txt) · [OpenAPI document](https://skmtc.dev/californiabitcoin/apis/california-bitcoin-agent-commerce-api/revisions/13683fe699bc?raw)