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

OpenRouter
CometAPI
boldrouter
liteLLM
Requesty.ai
Replicate.com
Eden AI
Access 200+ AI Models with a Single API: Your 24/7 AI Solution. Save up to 80% switching from OpenAI with 1 line of code. Advanced LLM, Speech-to-Text, Text-to-Speech, Chatbots, and Image Generation APIs.

Which is more popular?
Based on our record, aimlapi.com seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | aimlapi.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | 2024 |
| 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...
AI/ML API is an innovative platform designed to empower developers by offering streamlined access to a broad spectrum of artificial intelligence and machine learning capabilities. Ideal for developers, tech startups, and innovation labs, this tool simplifies the integration of AI technologies...
What each product offers, as listed by its team.

No features have been listed yet.
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.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
How to Call 100s of AI Models with One API - Langflow and AI/ML API
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing ZIP Code API and aimlapi.com.
aimlapi.com's answer:
Transition from OpenAI with 1 line of code Access 100+ curated AI Models over 1 API Get fastest response time
Share your experience with using ZIP Code API and aimlapi.com. 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.
AI/ML API is a one-stop, OpenAI-compatible endpoint that is trusted by 150,000+ developers to 300+ state-of-the-art models—chat, vision, image/video/music generation, embeddings, OCR, and more—from Google, Meta, OpenAI, Anthropic,... - Source: dev.to / over 1 year ago
AI/ML API is a single endpoint that gives you access to more than 300 ready-to-use AI models—large language models, embeddings, image and audio tools—through one standard REST interface. It is used by over 150,000 developers and... - Source: dev.to / over 1 year ago
When comparing ZIP Code API and aimlapi.com, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or aimlapi.com:


Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or aimlapi.com:

CometAPI simplifies AI integration, offering fast, reliable, and affordable API solutions to power innovative applications.
Compare CometAPI to ZIP Code API or aimlapi.com:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or aimlapi.com:

A unified, OpenAI-compatible gateway to every major LLM provider. One endpoint, one key, one bill - with automatic routing and failover.
Compare boldrouter to ZIP Code API or aimlapi.com: