
ZIP Code API
ZipCheckup
PostalCodes.info
Smarty
Geocode.xyz
Geoco.io
getAddress.io
Free Zip Code API - Free Postal Code Validation | Zipcodestack

OpenRouter
Vast.ai
CometAPI
Api.Airforce
APIMaster
boldrouter
CloudGPU.app
Low-cost AI API aggregator with 380+ chat, image, video, audio and voice models via OpenAI- and Anthropic-compatible APIs, plus access to 33,000 GPUs from the same balance.

Which is more popular?
Based on our record, Zipcodestack seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | zipcodestack.com | gpuniq.com |
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| Company | — | Startup from Russia · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Zipcodestack yet.
GPUniq is a low-cost AI API aggregator and GPU infrastructure platform built for developers and AI teams. It provides access to 380+ chat, image, video, audio and voice models through OpenAI- and Anthropic-compatible APIs, with free models and pay-as-you-go pricing. GPUniq also combines GPU...
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 GPUniq yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Zipcodestack and GPUniq.
GPUniq's answer:
GPUniq's answer:
GPUniq lets teams access hundreds of AI models and GPU compute without managing multiple providers, accounts and balances. It offers low-cost pay-as-you-go usage, a single balance, and business-ready invoices and closing documents for companies.
GPUniq's answer:
GPUniq is built for developers, AI startups and engineering teams that need reliable access to multiple AI models or GPU compute. It is especially useful for teams running AI workloads in production and those that want to avoid maintaining integrations with multiple providers.
GPUniq's answer:
GPUniq combines an AI API aggregator with a fault-tolerant GPU cloud. If a GPU goes down, workloads can be automatically moved to another available machine, which helps keep production workloads running without manual intervention.
GPUniq's answer:
GPUniq started as a GPU marketplace that aggregated compute capacity from different providers into one platform. It later expanded into AI APIs, bringing model access and GPU infrastructure together under one account and balance.
GPUniq's answer:
GPUniq uses NVIDIA GPU infrastructure, Docker-based workloads, CUDA and PyTorch environments, and S3-backed storage. Its model API supports OpenAI- and Anthropic-compatible interfaces, with developer access through REST APIs, SDKs and CLI tools.
Share your experience with using Zipcodestack and GPUniq. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Using the zipcodestack API in your Node.js application is straightforward. You’ll first need to sign up for a free API key (it only takes a minute). Once you have your API key, you can call the REST endpoints using any HTTP client. Below... - Source: dev.to / about 1 year ago
Zipcodestack - Free Zip Code API and Postal Code Validation. Ten thousand free requests/month. - Source: dev.to / almost 3 years ago
I have seen this request pop up quite a few times. I did a quick search for free APIs of zipcode lookups. This one, named "zipcodestack" (I'm not in any way tied to, endorsing, or promoting them) seemed like a pretty good resource with... Source: over 3 years ago
Tracking GPUniq since Oct 2026.
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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
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
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Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.
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CometAPI simplifies AI integration, offering fast, reliable, and affordable API solutions to power innovative applications.
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