---
title: "LLM Answers API: JSON data, 5 endpoints, 1 credit per call"
description: "Get LLM Answers data as structured JSON with one API key: answer, perplexity feed, prompt library and trending. Free credits every month."
url: https://perceptlayer.com/apis/llm-answers
---

[APIs](https://perceptlayer.com/apis) / [Search engines](https://perceptlayer.com/verticals/search) / LLM Answers

1 credit per call 5 endpoints

# LLM Answers API

Get LLM Answers data as structured JSON with one API key: answer, perplexity feed, prompt library and trending. Free credits every month.

[Get a free API key](https://perceptlayer.com/signup) Run it below

LLM Answers

GET /v1/llm-answers/models?engine=chatgpt 

```
curl "https://api.perceptlayer.com/v1/llm-answers/models?engine=chatgpt" \
  -H "X-API-Key: $API_KEY"
```

cURL 1 credit per successful call

Run this call below or from your dashboard to see a live response.

Playground

## Run this API

cURL shell 

```
curl "https://api.perceptlayer.com/v1/llm-answers/models?engine=chatgpt" \
  -H "X-API-Key: $API_KEY"
```

LLM Answers · 5 endpoints

## Endpoints

Every endpoint takes the same key. Open one for its parameters and an example request.

| Endpoint | Required parameters | Cost |
| --- | --- | --- |
| [GET `/v1/llm-answers/answer`](https://perceptlayer.com/apis/llm-answers/answer) | `prompt` +5 optional | 1 credit |
| [GET `/v1/llm-answers/models`](https://perceptlayer.com/apis/llm-answers/models) | none +1 optional | 1 credit |
| [GET `/v1/llm-answers/perplexity-feed`](https://perceptlayer.com/apis/llm-answers/perplexity-feed) | none +4 optional | 1 credit |
| [GET `/v1/llm-answers/prompt-library`](https://perceptlayer.com/apis/llm-answers/prompt-library) | none | 1 credit |
| [GET `/v1/llm-answers/trending`](https://perceptlayer.com/apis/llm-answers/trending) | none | 1 credit |

Overview

## About the LLM Answers API

## What you can get

The LLM Answers API returns answer, perplexity feed, prompt library and trending as clean JSON. Each successful call costs one credit, and calls that fail are free.

Search engines JSON REST MCP

### More search engines APIs

[Baidu](https://perceptlayer.com/apis/baidu) [Bing](https://perceptlayer.com/apis/bing) [Brave Search](https://perceptlayer.com/apis/brave) [DuckDuckGo](https://perceptlayer.com/apis/duckduckgo) [Google Events](https://perceptlayer.com/apis/google-events) [Google Finance](https://perceptlayer.com/apis/google-finance) [Google Forums](https://perceptlayer.com/apis/google-forums) [Google Images](https://perceptlayer.com/apis/google-images) [Google Lens](https://perceptlayer.com/apis/google-lens) [Google Local](https://perceptlayer.com/apis/google-local) [Google Local Services](https://perceptlayer.com/apis/google-local-services) [Google Maps](https://perceptlayer.com/apis/google-maps)

Use cases

### Compare how AI models answer the same prompt

`Use the LLM Answers API to compare how AI models answer the same prompt` 

### Monitor how AI assistants describe your brand

`Use the LLM Answers API to monitor how AI assistants describe your brand` 

### Find trending questions people ask AI tools

`Use the LLM Answers API to find trending questions people ask AI tools` 

FAQ

## Questions

**How much does the LLM Answers API cost?**

Each successful call costs one credit. New accounts get free credits every month, and credit packs bring the price down as you scale.

**What format are responses in?**

Every endpoint returns JSON, with no HTML parsing on your side.

**Do I need a separate key for LLM Answers?**

No. One key works for every API in the catalogue.

## Try the LLM Answers API with 1,000 free credits

No credit card. Failed calls are never billed.

[Get a free API key](https://perceptlayer.com/signup) [Read the docs](https://perceptlayer.com/docs)