---
title: "willhaben API: JSON data, 8 endpoints, 1 credit per call"
description: "Get willhaben data as structured JSON with one API key: search, agency, agency listings and agency trust signals. Free credits every month."
url: https://perceptlayer.com/apis/willhaben
---

[APIs](https://perceptlayer.com/apis) / [Marketplaces](https://perceptlayer.com/verticals/marketplaces) / willhaben

1 credit per call 8 endpoints

# willhaben API

Get willhaben data as structured JSON with one API key: search, agency, agency listings and agency trust signals. Free credits every month.

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

willhaben

GET /v1/willhaben/search 

```
curl "https://api.perceptlayer.com/v1/willhaben/search" \
  -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/willhaben/search" \
  -H "X-API-Key: $API_KEY"
```

willhaben · 8 endpoints

## Endpoints

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

| Endpoint | Required parameters | Cost |
| --- | --- | --- |
| [GET `/v1/willhaben/agency`](https://perceptlayer.com/apis/willhaben/agency) | `adId` | 1 credit |
| [GET `/v1/willhaben/agency-listings`](https://perceptlayer.com/apis/willhaben/agency-listings) | `orgId` +2 optional | 1 credit |
| [GET `/v1/willhaben/agency-trust-signals`](https://perceptlayer.com/apis/willhaben/agency-trust-signals) | `userId` | 1 credit |
| [GET `/v1/willhaben/autocomplete`](https://perceptlayer.com/apis/willhaben/autocomplete) | `term` | 1 credit |
| [GET `/v1/willhaben/details`](https://perceptlayer.com/apis/willhaben/details) | `adId` | 1 credit |
| [GET `/v1/willhaben/locations`](https://perceptlayer.com/apis/willhaben/locations) | none +2 optional | 1 credit |
| [GET `/v1/willhaben/search`](https://perceptlayer.com/apis/willhaben/search) | none +11 optional | 1 credit |
| [GET `/v1/willhaben/similar`](https://perceptlayer.com/apis/willhaben/similar) | `adId` `orgId` | 1 credit |

Overview

## About the willhaben API

## What you can get

The willhaben API returns search, agency, agency listings and agency trust signals as clean JSON. Each successful call costs one credit, and calls that fail are free.

Marketplaces JSON REST MCP

### More marketplaces APIs

[AliExpress](https://perceptlayer.com/apis/aliexpress) [Billiger.de](https://perceptlayer.com/apis/billiger) [Craigslist](https://perceptlayer.com/apis/craigslist) [DBA](https://perceptlayer.com/apis/dba) [Depop](https://perceptlayer.com/apis/depop) [Dubizzle](https://perceptlayer.com/apis/dubizzle) [eBay](https://perceptlayer.com/apis/ebay) [FINN](https://perceptlayer.com/apis/finn) [Geizhals](https://perceptlayer.com/apis/geizhals) [Gumtree](https://perceptlayer.com/apis/gumtree) [Idealo](https://perceptlayer.com/apis/idealo) [Kijiji](https://perceptlayer.com/apis/kijiji)

Use cases

### Track competitor prices and stock

`Use the willhaben API to track competitor prices and stock` 

### Enrich your product catalogue

`Use the willhaben API to enrich your product catalogue` 

### Research sellers and categories

`Use the willhaben API to research sellers and categories` 

FAQ

## Questions

**How much does the willhaben 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 willhaben?**

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

## Try the willhaben 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)