The best alternatives to GatewayD are Mindware, Connect Earth API, and Sandbox. If these 3 options don't work for you, we've listed a few more alternatives below.
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Snowflake O'Reilly Report— Design a Modern Application Data Stack
Mindware is an AI integration engineer that makes modern and legacy software interoperable. It abstracts away the coding and configuration needed to unlock the total value of your data with a single API key.
Whether you're a casual developer or an enterprise looking to build sophisticated AI solutions, Mindware can help break down data silos to enhance functionality, simplify real-time data retrieval, and automate workflows.
Connect Earth is the gateway to environmental data. Our API tracks carbon footprint of each financial transaction. Banks and FinTechs integrate our product to show their customers the environmental impact of every purchase. Get 1000 free API calls per month!
Tyk is Tyk is an open source API Gateway that is fast, scalable and modern. Out of the box, Tyk offers an API Management Platform with an API Gateway, API Analytics, Developer Portal and API Management Dashboard.