# Testllm **Source:** https://www.startuphub.ai/startups/testllm **Profile type:** Startup > Detects if Claude API is genuine and identifies backend sources like Anthropic, AWS Bedrock, and Google Vertex. ## About Testllm is a startup focused on ensuring the authenticity of Claude API calls. It provides a service to detect whether the API is genuine and to identify the specific backend source, such as official Anthropic, AWS Bedrock, or Google Vertex AI. ## Key facts - **Slug:** testllm - **Website:** https://testllm.ai - **Operating status:** Active - **Sectors / tags:** AI Testing, Foundation Model, Large Language Model, API Platform, Generative AI, AI Observability, AI Governance ## Frequently asked ### What does Testllm do? Testllm is a startup focused on ensuring the authenticity of Claude API calls. It provides a service to detect whether the API is genuine and to identify the specific backend source, such as official Anthropic, AWS Bedrock, or Google Vertex AI. ### What industry does Testllm operate in? Testllm operates in AI Testing, Foundation Model, Large Language Model, API Platform, Generative AI, AI Observability. ## JSON-LD Structured data aligned with this page's `