# Spro > Unified AI gateway and AI security platform for accessing and governing AI models across providers. Canonical: https://usefulshelf.co/apps/spro-cc6817 Last updated: 2026-10-28 Spro is a unified AI gateway and AI security platform for accessing, routing, securing, monitoring, and governing AI models across multiple providers. It provides an OpenAI-compatible API for model access, routing, guardrails, observability, and failover. Listed under Developer APIs on UsefulShelf. Available on Web. [Visit website](https://spro.hridaai.com/?utm_source=usefulshelf&utm_medium=referral&utm_campaign=directory&utm_content=web-spro-cc6817-free&ref=usefulshelf) | Information | Details | | --- | --- | | Category | Developer APIs | | Platforms | Web. Web app; requires a modern web browser. | | Features | AI-powered, API | | Listed on UsefulShelf | 2026-10-05 | | Updated | 2026-10-28 | ## Overview ### About Spro is a unified AI gateway and AI security platform for accessing, routing, securing, monitoring, and governing AI models across multiple providers. It provides an OpenAI-compatible API for model access, routing, guardrails, observability, and failover. ### Who is it for? Teams building AI applications and internal copilots, including engineering, security, and legal teams. ### The problem It addresses model routing, security, compliance, observability, and provider failover for AI traffic across multiple providers. ### How it works A user connects a SPRO API key or their own provider keys, sends requests through the OpenAI-compatible API, and Spro routes, protects, monitors, and validates the requests before returning responses. ### Key features - OpenAI-compatible API for 350+ models - Provider routing and automatic failover - Built-in guardrails for sensitive data, prompt injection, toxicity, and output validation - Tracing, alerts, caching, and usage monitoring ### What makes it different It combines model routing with security guardrails, observability, caching, and failover in one gateway. ### Use cases Routing AI requests across multiple model providers; protecting AI workflows with guardrails and audit logs. Every listing is reviewed before it goes live. [How review works](https://usefulshelf.co/bot). ## Features - OpenAI-compatible API for 350+ models - Provider routing and automatic failover - Built-in guardrails for sensitive data, prompt injection, toxicity, and output validation - Tracing, alerts, caching, and usage monitoring ## Frequently asked questions ### What is Spro? Spro is a unified AI gateway and AI security platform for accessing, routing, securing, monitoring, and governing AI models across multiple providers. It provides an OpenAI-compatible API for model access, routing, guardrails, observability, and failover. ### Who is Spro for? Teams building AI applications and internal copilots, including engineering, security, and legal teams. ### How does Spro work? A user connects a SPRO API key or their own provider keys, sends requests through the OpenAI-compatible API, and Spro routes, protects, monitors, and validates the requests before returning responses. ### What makes Spro different? It combines model routing with security guardrails, observability, caching, and failover in one gateway. ### When would someone use Spro? Routing AI requests across multiple model providers; protecting AI workflows with guardrails and audit logs. ### What are the key features of Spro? OpenAI-compatible API for 350+ models. Provider routing and automatic failover. Built-in guardrails for sensitive data, prompt injection, toxicity, and output validation. Tracing, alerts, caching, and usage monitoring. ### Where can I use Spro? Spro is available on Web. ### What technical traits does Spro have? Spro is tagged as AI-powered and API. ### Where is the official Spro website? Spro is at spro.hridaai.com. UsefulShelf links to it directly from this page. ![Spro , Unified AI Gateway and AI Security Platform](https://spro.hridaai.com/og-image.png) ## Reviews No reviews yet. ## Domain Rating by Ahrefs Recorded scores out of 100. [Ahrefs](https://ahrefs.com/). | Date | Domain Rating | Recorded at | | --- | --- | --- | | 2026-10-08 | 40 | 2026-10-08T01:01:24.856Z | | 2026-10-09 | 41 | 2026-10-09T01:46:05.321Z | | 2026-10-10 | 41 | 2026-10-10T00:56:08.945Z | | 2026-10-11 | 41 | 2026-10-11T01:57:46.238Z | | 2026-10-12 | 41 | 2026-10-12T00:36:24.456Z | | 2026-10-13 | 41 | 2026-10-13T00:46:03.451Z | | 2026-10-14 | 41 | 2026-10-14T00:40:47.508Z | | 2026-10-15 | 41 | 2026-10-15T00:52:17.978Z | | 2026-10-16 | 41 | 2026-10-16T00:11:10.707Z | | 2026-10-17 | 41 | 2026-10-17T03:01:01.942Z | | 2026-10-18 | 41 | 2026-10-18T01:07:55.910Z | | 2026-10-19 | 41 | 2026-10-19T01:24:32.512Z | | 2026-10-20 | 41 | 2026-10-20T00:25:18.310Z | | 2026-10-21 | 41 | 2026-10-21T00:50:52.494Z | | 2026-10-22 | 41 | 2026-10-22T03:01:29.994Z | | 2026-10-23 | 41 | 2026-10-23T03:01:40.483Z | | 2026-10-24 | 41 | 2026-10-24T01:39:55.591Z | | 2026-10-25 | 41 | 2026-10-25T01:15:07.390Z | | 2026-10-26 | 41 | 2026-10-26T01:16:02.871Z | | 2026-10-27 | 41 | 2026-10-27T00:30:49.870Z | | 2026-10-28 | 41 | 2026-10-28T01:12:45.130Z | | 2026-10-29 | 41 | 2026-10-29T01:51:27.810Z | | 2026-10-30 | 42 | 2026-10-30T07:13:50.661Z | | 2026-10-31 | 42 | 2026-10-31T01:10:28.224Z | | 2026-11-01 | 42 | 2026-11-01T01:16:05.046Z | | 2026-11-02 | 42 | 2026-11-02T03:01:40.077Z | | 2026-11-03 | 42 | 2026-11-03T04:33:34.792Z | | 2026-11-04 | 42 | 2026-11-04T01:27:35.738Z | | 2026-11-05 | 42 | 2026-11-05T01:23:51.264Z | | 2026-11-06 | 42 | 2026-11-06T00:18:53.961Z | ## Related - [classifier.dev](https://usefulshelf.co/apps/classifier-dev): Zero-shot text classification API for developers over plain HTTP. - [Context.dev](https://usefulshelf.co/apps/context-dev): Web data API for AI agents to scrape, crawl, search, and extract structured data. - [Brew](https://usefulshelf.co/apps/brew): AI-native email service provider for modern teams and AI agents. - [More in Developer APIs](https://usefulshelf.co/category/developer-apis)