
OpenRouter
APIVAI
APIClan.us
Api.Airforce
boldrouter
Requesty.ai
liteLLM
OpenAI-compatible multi-model API for GPT, Claude, Gemini, DeepSeek and more.
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

Which is more popular?
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | mandapi.com | zip-codes.com |
| Pricing | — | |
| Company | 2026 | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

MandAPI is an OpenAI-compatible multi-model AI API gateway for developers. It provides unified access to GPT, Claude, Gemini, DeepSeek and other AI model families through a single API endpoint. Key features include: - OpenAI-compatible API - Multiple AI model providers - Streaming and...
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...
What each product offers, as listed by its team.

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

No analysis of MandAPI yet.
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Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing MandAPI and ZIP Code API.
MandAPI's answer
MandAPI is primarily built for software developers, indie hackers, AI startups, SaaS teams, agencies and technical teams that need programmatic access to multiple large language models through a unified API.
MandAPI's answer
MandAPI combines multiple AI model families behind a single OpenAI-compatible API. Developers can access GPT, Claude, Gemini, DeepSeek and other models without maintaining separate integrations for every provider. It also provides transparent usage-based pricing, model discovery, usage tracking and developer tooling.
MandAPI's answer
MandAPI is designed for developers who want a simple way to use multiple AI providers through one familiar API. Its OpenAI-compatible interface makes migration straightforward, while unified billing, model discovery, transparent pricing and support for multiple model families reduce the operational work required to manage several AI APIs separately.
MandAPI's answer
MandAPI started from a simple problem: developers increasingly need access to several AI model providers, but every provider has different APIs, pricing systems and account requirements. MandAPI was built to simplify that fragmented experience by providing a single OpenAI-compatible interface for multiple model families, with transparent pricing and developer-focused tooling.
MandAPI's answer
MandAPI is built around an OpenAI-compatible REST API architecture with streaming support, API-key authentication, multi-provider routing, usage metering and model catalog services. The production platform uses containerized cloud infrastructure, reverse proxying and CDN services for deployment and traffic delivery.
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One API key for Claude and GPT models, compatible with the Anthropic and OpenAI formats. Works with Claude Code, Cursor and Codex CLI. Pay as you go, below official list prices.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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OpenAI-compatible AI API gateway for GPT, Claude & Grok. Change baseURL, keep your code. Pay-as-you-go USDT; $0.20 auto credit on signup.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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