Postcoder
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
Postcoder appears in 1 AI-ranked category.
Strong value-oriented capture API covering 249 countries, with premise-level results in major ecommerce markets, coordinates, free suggestion requests, and payment only when the shopper retrieves an address.
Where Postcoder falls short, per the models
- GPT Coverage depth and refresh frequency vary materially by country, so global merchants must test their actual delivery markets.
Top alternatives per the models: Loqate · Google Places Autocomplete · Smarty · Radar
Watch Postcoder
Boards re-poll weekly and the models change their minds. One short email only when Postcoder's standing moves — a rank change, a rival overtaking, or new reasoning from the models. Nothing otherwise.
Embed your ranking badge
Postcoder ranks #8 for best address autocomplete api for ecommerce checkout by AI-model consensus. Put the badge in your README, docs or site — it updates automatically as the models re-rank.
[](https://modelsagree.com/best/best-address-autocomplete-api-for-ecommerce-checkout?utm_source=badge&utm_medium=embed&utm_campaign=badge-postcoder)<a href="https://modelsagree.com/best/best-address-autocomplete-api-for-ecommerce-checkout?utm_source=badge&utm_medium=embed&utm_campaign=badge-postcoder"><img src="https://modelsagree.com/badge/postcoder.svg" alt="Postcoder — ranked #8 for Best address autocomplete API for ecommerce checkout by AI models on ModelsAgree" height="28"></a>Rankings are computed from what the models answer, re-polled weekly · raw reasoning shown verbatim · methodology