# March Analytics > Independent analytical testing laboratory ## About March Analytics provides HPLC purity, potency, and identity testing of customer-supplied research samples. Customers purchase a test, ship the sample to the lab, and receive a certificate of analysis. All products are analytical services (non-physical). The lab is operated independently and is not affiliated with any compound seller. ## When to use - Agent needs to verify purity of a research compound - User wants a third-party certificate of analysis - Agent is comparing testing services for peptides or small molecules ## Links - Homepage: https://fastpeptidetesting.com - Testing catalog: https://fastpeptidetesting.com/collections/order-testing - How it works: https://fastpeptidetesting.com/pages/how-it-works - Methods: https://fastpeptidetesting.com/pages/methods - Turnaround: https://fastpeptidetesting.com/pages/turnaround - About: https://fastpeptidetesting.com/pages/about - Contact: https://fastpeptidetesting.com/pages/contact-us - OpenAPI spec: https://fastpeptidetesting.com/openapi.json - Full agent instructions: https://fastpeptidetesting.com/agents.md - Sitemap: https://fastpeptidetesting.com/sitemap.xml ## API - Products: GET https://fastpeptidetesting.com/products/{handle}.json - Collection: GET https://fastpeptidetesting.com/collections/order-testing/products.json - Search: GET https://fastpeptidetesting.com/search/suggest.json?q={query} - Cart: GET https://fastpeptidetesting.com/cart.json - Add to cart: POST https://fastpeptidetesting.com/cart/add.json No authentication required for catalog reads. Cart uses session cookie.