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

ionCube PHP Encoder
Moment Timezone
Apache Archiva
code-prettify
Apache Tika
OCS inventory NG
highlight.js
Celery is an asynchronous task queue/job queue based on distributed message passing.

Which is more popular?
Based on our record, Celery Project seems to be more popular. It has been mentioned 5 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 | celeryproject.org |
| Pricing | — | |
| 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 Celery Project 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 Celery Project yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Celery Project. 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.
How can I test if a task (task_id) is still processed in celery? I have the following scenario:. Source: over 4 years ago
I recently integrated celery (django-celery to be more specific) in one of my applications. I have a model in the application as follows. Source: over 4 years ago
I am trying to write a small application that receives video files, and convert them to a uniform format after they have been uploaded (thus added to the database). I have searched the web for the best solution for this, and have decided... Source: over 4 years ago
When comparing ZIP Code API and Celery Project, 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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ionCube PHP Encoder is a tool to secure and license PHP scripts.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Moment Timezone enables the user to parse and display dates in javascript for any timezone.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Apache Archiva is an extensible repository management software.
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