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

Miro
draw.io
Whimsical
LucidChart
tldraw
Kanboard
Kinopio
Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.

Which is more popular?
Based on our record, Excalidraw seems to be more popular. It has been mentioned 268 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 | excalidraw.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the Czech Republic · 10 - 19 employees |
| 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...
Excalidraw is an open-source virtual whiteboard focused on simplicity and collaboration. It provides a hand-drawn, sketch-style interface for brainstorming and visualizing ideas. Ideal for remote teams, educators, and developers, Excalidraw supports real-time collaboration and integrates with...
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Rapid Mockup Creation Using Excalidraw
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Excalidraw. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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Looking at open source alternatives to Miro will give you powerful and flexible tools that can cater to different collaboration needs without the limitations of propietary software. In 2024,the best open source Miro...
As your system evolves, you must update your diagrams to reflect those changes. Because Excalidraw is a browser-based tool, you have to open a browser tab and make changes visually, which can be inconvenient. You also...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I made a picture, hope this helps: https://excalidraw.com/#json=zfKWWn1h7GzdFca6RDdXl,plr_WeaCtvFxbjULFjq6zw Sorry it was confusing. - Source: Hacker News / about 2 months ago
The format idea costs you nothing to adopt today: export from excalidraw.com with "Embed scene" on, commit the .excalidraw.png, reference it as a normal image. It renders everywhere and stays editable. - Source: dev.to / 5 months ago
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and... - Source: dev.to / 5 months ago
When comparing ZIP Code API and Excalidraw, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Join Millions of users that collaborate from all over the planet using Miro. Experience the power of the #1 visual workspace for innovation. More than 100M users and 250,000 companies are collaborating on the canvas.
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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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