
Weavy
KREA
n8n.io
CloudGPU.app
ComfyUI
ComputeUnion
Dify.AI
Build AI agents and workflows locally. The open-source alternative that combines ComfyUI's generative controls with n8n's automation.
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
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Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | nodetool.ai | zip-codes.com |
| Pricing | — | |
| Company | Startup from Germany · 1 - 9 employees | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

NodeTool is an open‑source, visual AI workflow builder that lets you connect nodes for text, images, audio, video, data, and automation—then run them locally or on the cloud. Build multi‑step agents, RAG systems, and creative media pipelines without coding, inspect execution in real time, 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...
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Explore millions of AI generated images and create collections of prompts. Featuring Stable Diffusion generations.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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