The API for address lookup & validation
Postcoder (postcoder.com) scores 79 out of 100 on Brand Analyzer, placing it in the Brand-Ready tier among SaaS brands, Technology brands, Finance brands, in the 62nd percentile of 25716 SaaS brands.
Postcoder is a SaaS platform providing an API for address lookup and form validation. It combines global address lookup with bank, mobile, email, and OTP (one-time password) validation tools into a single API. Aimed at businesses and developers building websites or mobile apps, Postcoder helps organizations capture accurate, verified customer data during online transactions, with the stated goal of improving data quality and conversion rates.
| Brand Name | Postcoder |
|---|---|
| Domain | postcoder.com |
| Industry | SaaS, Technology |
| Main Competitors | Loqate (86/100), Experian Data Quality (92/100), Melissa (86/100), SmartyStreets (87/100), Google Maps Platform, Getaddress.io (73/100), Ideal Postcodes (82/100), Lob (89/100) |
Moz Domain Authority 23/100 vs category average 37 / leader 100 - limited third-party links, so AI systems rarely encounter mentions of the brand.
Ranked #736,362 on the Tranco list of most-visited sites - modest traffic makes the brand easy for AI models to overlook.
No Wikipedia presence was found - a major gap, since Wikipedia is among the most heavily weighted sources in AI training data.
The homepage meta description reads "Postcoder is the API for address lookup & form validation. Improve your conversion rates and capture better quality customer data." (Meta description: 20 words (ideal length). OG description present and descriptive) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: og:title, og:description, og:image, og:type, Twitter cards, canonical. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: Apache.
Social footprint: verified profiles on X (Twitter), LinkedIn, Facebook, Instagram, YouTube, GitHub - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked September 2026.
When asked "What is Postcoder?", Claude could identify the brand as of September 2026. Postcoder is a UK-based address lookup and postcode verification API service provided by Allies Computing, used by businesses to autocomplete and validate addresses during online checkout or form entry. Best known for Postcode and address lookup API for UK and international address validation.
When asked "Best brands similar to Postcoder?", Claude would recommend Postcoder as of September 2026. It's a solid, established option in the address verification API space, especially popular with UK businesses needing reliable postcode lookup.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Postcoder's main competitors in SaaS: Loqate (86/100), Experian Data Quality (92/100), Melissa (86/100), SmartyStreets (87/100), Getaddress.io (73/100).
Sources: Brand Analyzer scan
Postcoder offers an API toolkit that includes global address lookup, bank account validation, mobile number validation, email validation, and OTP (one-time password) verification. These services are designed to be integrated into websites and mobile apps to validate customer data at the point of entry, such as during checkout or sign-up forms.
Sources: Postcoder official site
Postcoder is a SaaS company offering an API for address lookup and form validation. It provides tools to verify addresses, contact details, and identity data, aimed at businesses and developers who need to capture accurate customer information during online transactions.
Sources: Postcoder official site
Postcoder has limited AI-search visibility, scoring 27/100 on Brand Analyzer's AI visibility composite (visibility 18, trust 22, recommendation 50). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Postcoder official site
Postcoder provides an API-based toolkit that performs address lookup, bank validation, mobile validation, email validation, and OTP (one-time password) verification. These tools are designed to help businesses validate and capture accurate customer data on websites and mobile apps, with the goal of improving data quality and conversion rates during forms and checkout processes.
Sources: Postcoder official site
Postcoder scores 50/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest SaaS options. Recommendation depends on crawlability, structured data, and category authority.
Sources: Postcoder official site
Postcoder is known for its address lookup and form validation API, which combines global address verification with additional contact and identity validation features such as bank, mobile, email, and OTP checks into a single toolkit for businesses.
Sources: Postcoder official site
Postcoder can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Postcoder official site
Postcoder is used by businesses and developers who build websites or mobile applications and need to verify customer addresses, contact details, and identity data. This includes companies in e-commerce, finance, and other sectors seeking to improve data accuracy and conversion rates during online transactions.
Sources: Postcoder official site
Postcoder scores 27/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Postcoder has a weak AI-visibility profile at 27/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (50/100) and its weakest is visibility (18/100). It benefits from a Wikidata knowledge-graph entry, a global traffic rank of #736,362 (Tranco) and open access for AI crawlers (GPTBot, ClaudeBot, etc.). The main gaps holding it back: no clear Wikipedia entity to anchor it in LLM training data, a low Moz Domain Authority of 23/100 and thin schema.org structured data. In a live check, Claude could already identify Postcoder from memory (September 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Postcoder: PostcardMania (79/100), Possible Finance (79/100), Posteo (79/100), Power Factors (79/100).
A step up - brands to learn from: Zutobi (81/100), Zuppler (81/100).
Category leader: Hostinger (97/100).
Brand Analyzer is built by DataEase AI. Track your brand in ChatGPT, Gemini and Perplexity.