Header
x-api-key required
string
This parameter defines the Piloterr private key to use for authentification.
Parameters
query
string
Immowelt listing URL or short online ID. **Example 1 (URL):** https://www.immowelt.de/expose/2kub55g **Example 2 (Online ID):** 2kub55g
Looking for the full API documentation?
Looking for the full API documentation?
Get Real-Time Immowelt Data via API, No Infrastructure Required
Immowelt listing detail pages contain the complete property record: room count, living area in m², rent breakdown, deposit, construction year, energy certificate class, equipment list, contact details, floor plan, and all photo URLs. Extracting this programmatically requires parsing a server-rendered HTML page that Immowelt protects from automated access. Piloterr handles that extraction. Submit a listing URL or its short online ID and receive the complete structured property record as JSON.
Application Scenarios for the Immowelt Ad API
- Build property databases for relocation platforms: Extract full listing records to power tenant matching services and expat relocation tools with live German property data.
- Pull energy rating and construction data for proptech applications: Extract energy class, heating type, and construction year to feed sustainability scoring models for investment analysis.
- Monitor specific listings for price changes or re-listing: Track a curated set of Immowelt listing IDs over time to detect rent increases, condition updates, or properties that reappear after a gap.
- Automate CRM enrichment for real estate agencies: Pull full property data from Immowelt listing IDs to keep agency CRM records aligned with live listing details.
- Feed geospatial mapping tools: Extract GPS coordinates, room count, price, and floor area to build heatmaps and proximity tools for the German housing market.
Why Use Piloterr Instead of Building Your Own Scraper
- No anti-bot management: Immowelt blocks automated requests with standard web protection. Piloterr handles the bypass transparently.
- Real-time data: Every call returns live data from Immowelt, not a cached snapshot.
- Structured JSON: No HTML parsing, no fragile selectors. The response schema is stable and documented.
- No infrastructure costs: No proxy pool to buy, no headless browser cluster to maintain. Pay only for successful requests.
One Piloterr subscription gives access to the full public API catalog. See the API documentation for authentication details and available parameters.
Start Collecting Immowelt Data Today
Sign up for a free trial and get 50 free credits with no credit card required. See pricing to find the plan that fits your volume.
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
2 credits = JS rendering API request
3 credits = WebUnlocker API request
Get 50 free credits now!
Sign up now and enjoy 50 free API credits + full access to our premium endpoints!
"Piloterr offers a great set of APIs to retrieve companies and profiles data. Endpoints are well documented, responses are fast and there is great support if needed (way better than rapidapi by the way)! A really good job from the Piloterr team! Continue the good work guys!"
Mantiks
Alexandre, CEO Mantiks
"Piloterr is very reliable, love the team reactivity - this is my favorite API marketplace for data scraping."
Lemlist
Lucas, Growth Manager
"5* tool, reliable and efficient - works perfectly to collect Google data. Bonus, the support is really responsive."
Corentin Robert
Growth
Browse more API endpoints
Frequently asked questions
Everything you need to know about our products & services.
We have implemented industry-standard security measures to ensure the safety of your data. Our platform uses SSL encryption to protect your API requests. We're also fully aligned with GDPR and CCPA compliance standards.
We are always adding new APIs to our platform based on customer demand and emerging technologies. If you have a specific API you would like us to add, please contact our support team and let us know.
Active plans can be upgraded, downgraded and cancelled anytime. Changes are immediate. When changing plan, the remaining unused requests of your current plan are added from your next invoice amount.
We understand that things change. You can cancel your plan at any time and we’ll refund you the difference that you already paid (annual subscriptions only and under the terms described here).
Your monthly subscription restarts with your monthly allowance of successful search credits on the first day of your billing cycle's subscription.
Yes! We are always happy to help users to be able to use our API! You can chat us and we'll try and get back to you within a single business day.
Only successful requests are counted towards your monthly searches. Errored and failed searches are not. For the credit system, please consult our documentation.
Of course! We are always expanding our code and building new APIs for different search engines. You can create a feature request on our Roadmap. We aren't able to build APIs for every websites for a variety of reasons but we do always make additions where they are needed and able to be done.
