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

MTG Arena Tool
17Lands Client
MTGA Tracker
MTGA Pro Tracker
Arena Tutor
MTGMelee
Online deck tracker & analytics for Magic: The Gathering Arena

Which is more popular?
Based on our record, Untapped.gg seems to be more popular. It has been mentioned 54 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 | mtga.untapped.gg |
| Company | Startup from the United States · 2026 | — |
| 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...
No description of Untapped.gg yet.
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
No analysis of Untapped.gg yet.
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That's Crunchy! An Untapped.gg Magic Arena Tracker Review
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Untapped.gg. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
If you used HSReplay the same devs made Untapped for MTGA for stat tracking, deck suggestions, etc. https://mtga.untapped.gg/. Source: over 3 years ago
Wildcards should be used not for cards but for decks. If you really want to play with like Liliana sure you can craft her and throw her into whatever you're running, otherwise you can look for budget or low cost decks to craft (apps like... Source: over 3 years ago
Then you can head over to https://mtga.untapped.gg or https://www.mtggoldfish.com/metagame/standard#paper to get some ideas. Source: over 3 years ago
When comparing ZIP Code API and Untapped.gg, 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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Collection browser, a deck tracker and a statistics manager.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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The 17Lands Client uploads the Magic The Gathering Arena draft logs to the 17Lands website.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Electron-based app that helps you track your MTGA decks!
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