Platform Solutions Developers Company Sign in Contact Us Modern card issuing to change the world Welcome to the card issuer processor From global enterprises to booming startups, innovators count on Marqeta. Our platform connects innovators like you with Visa and Mastercard, providing you with the freedom to Try it now in our sandbox Build a card programme in hours not months. Our fully documented APIs allow you to: Build Use our platform to start creating your own payment experience today. Test Simulate transactions in a safe environment to quickly prototype your card product. Launch Integrate our APIs with your existing systems to bring your solution to market at speed. Iterate Develop and test new features as your business and your customers’ needs evolve. Start innovating today Let's talk about your use case and how we can help Contact us Industries Solution overview Digital banking SME lending POS financing Product Platform overview 3D secure Converting ISO 8583 Dynamic spend controls FraudStream Webhooks Just-in-Time Funding Data insights Programme dashboard Transaction matching Developer Developer portal Developer guides Data insights Core API API Explorer Developer community Company About us Why Marqeta Careers Leadership Social impact Newsroom Investor relations Social impact © 2021 Marqeta, Inc. 180 Grand Avenue, 6th Floor, Oakland, CA 94612 Terms API Terms Privacy Cookies 🇬🇧 United Kingdom CONTINUE