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Adresdata.net is an address data API for the Dutch market, covering postcodes, addresses, places of residence, and municipal information in the Netherlands. It states that all data comes entirely from official government sources. Its core use case is simple: users enter only a postcode and house number, and the system automatically fills in the street, place of residence, municipality, province, and other details. This makes it suitable for ecommerce checkout flows, registration forms, and pre-shipment address validation for logistics.
Based on the available content, it offers API key applications and a “Postcode & huisnummer API” demo for address autocomplete. Paid plans also include extended address information, geodata, and nearest-address search. Its value is not as a general-purpose developer platform, but as a vertical data API: it can reduce form fields, lower user drop-off, and cut return costs caused by incorrect addresses. However, the main text does not show API endpoints, request parameters, sample JSON responses, error codes, SDKs, or supported languages/frameworks, so developers will need to check the documentation page for details.
Pricing is relatively clear: the free plan is €0/month and includes 200 calls, with a hard limit and no email support; Basis is €9.99/month excluding VAT and includes 1,000 calls; Uitgebreid is €19.99/month excluding VAT and includes 5,000 calls. Paid plans use soft limits and include email support, extended address information, and geodata. For higher usage volumes, custom APIs, or one-off/recurring data exports, users need to contact the provider by email. The terms explicitly prohibit downloading a substantial dataset behind the API in one go or in batches, so it is not suitable for bypassing licensing to conduct large-scale data scraping.
Its strengths are clear positioning, a low integration barrier, a free tier for testing, and a relatively credible stated data source. For ecommerce sites and SaaS forms serving only Dutch users, it offers decent value for money. Downsides include no visible international address coverage, a small free quota, and no details in the main content about documentation depth, SLA, payment methods, self-hosting, or SDKs. It is better suited to local Dutch businesses, cross-border merchants running Netherlands-focused sites, logistics workflows, and CRM systems, rather than platforms that need global address validation.
Access from mainland China cannot be determined from the main text, so china_access is marked as unknown. Payment methods are also not disclosed and may require contacting the provider for confirmation. If you need global address autocomplete, compare it with Google Places API, HERE, and Loqate. If you only need Dutch address data, regional services such as Postcode.nl are also worth evaluating.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on returnvaluesoftware.com official site.
returnvaluesoftware.com is an Netherlands API & Data provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach returnvaluesoftware.com directly.