Whether you're a seasoned developer or just starting out, our platform is designed to empower you with the tools and knowledge necessary to leverage our powerful APIs effortlessly. Dive into this guide to discover the best practices, essential tips, and crucial steps to ensure a smooth and successful integration. From understanding entitlements and access controls to mastering idempotent request design, you'll find everything you need to make your journey with our APIs productive and efficient.Onboard in four easy steps1.Contact and consultYou've taken a look at our products and are interested in what solutions they offer. First, reach out to us and express your interest in our API products. Use our contact form to initiate a conversation with one of our Payment Advisors.Your people will talk to our people to establish an agreement detailing the API services you want and crucial system information needed for seamless integration.2.Determine API needsGet into the nitty gritty to provide your application or project details. KeyBank works with you to make sure the API is setup correctly for your needs.Identify which APIs are essential for your business operations.Define the frequency of use and transaction activity timeframe.Provide details such as transaction volume, call frequency, and call timeframe.Be mindful of our rate limiting to ensure optimal performance.Check out our API fundamentals to learn more about how to use our APIs and learn about KeyBank APIs recommendations, requirements, and conditions.3.Set up securityWe make sure to secure your connection to protect sensitive financial data. KeyBank sets up account entitlements to authenticate and authorize API access.Read more about KeyBank access controls for the basics on authentication and authorization. We'd tell you more, but then it wouldn't be very secure, would it?4.Grant accessYou got the keys to the car and are ready to drive! After you receive API keys and client credentials, you can securely access authorized APIs.Most API products have a simulated experience where you can try API functionalities before integrating your systems. Look aroundTo get better acquainted with our products, view our Guides. Or dive right into the technical specifications with our API docs.Go to our Developer Support section for resource on codes, error handling, and to learn about what's coming up for the our developer portal. API fundamentals Great integrations start with strong foundations. API fundamentals walk you through the core concepts that make our APIs secure, reliable, and easy to scale. Get acquainted with how a few key items that shape how our requests and responses work. Access controlsAuthentication, authorization, and information on how to get an access token.Rate limitingMaintain performance with sensible data volumes and TPS (transactions per second) limits.IdempotencyAvoid duplicates and make sure every request delivers the same result.PaginationSpeed up responses and handle big datasets by loading data in smaller slices.Custom dataTailor API payloads with fields that match your unique business needs.TimestampsDetails about standardized time tracking for your data.