Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

GitBook
Slite
Mintlify
Docusaurus
Nuclino
ReadMe
Google Docs
Archbee is a developer-focused product docs tool for your team. Build beautiful product documentation sites or internal wikis/knowledge bases to get your team and product knowledge in one place.
Which is more popular?
Based on our record, Archbee.io seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | archbee.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
Write in a blazingly fast WYSIWYG editor with 30+ custom blocks and native markdown to create built-in diagrams, API docs, Swagger, GraphQL. Check the out of the box integrations with Github, Slack, Lucidchart, Airtable, Google Sheets, Typeform, Jira, or Figma. Inline comments for async...
What each product offers, as listed by its team.

An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
No analysis of Archbee.io yet.
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Archbee.io Review- My Honest Opinion
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Archbee.io. For example, how are they different and which one is better?
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One alternative to Gitbook is Archbee. A powerful platform that allows users to write, collaborate and publish self-service knowledge portals quickly. One of the main advantages of using Archbee is its simplicity...
Archbee offers Mermaid, as well as Markdown through GitHub, and API capabilities, meaning it’s perfect for code documentation. In addition, 30+ custom blocks, as well as 25 embeds and integrations available, make this...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
If you have a tech business, you should look into an internal knowledge base that is aligned with developers. archbee.com is similar to document360, but with features that are relevant to write developer documentation, APIs etc. Source: over 4 years ago
But if you want something similar with your example, check archbee.com, it has integration with GraphiQL. Source: over 4 years ago
If you want to get a tool and don't need to start building your own setup I would recommend looking into some documentation platforms like archbee.io. Source: over 4 years ago
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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The AI-powered documentation writer. It's documentation that just appears as you build
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