How Slack Built API-First Integrations That Scale

from The API Podcast with Fexingo: REST, GraphQL, and Modern Web APIs · host Fexingo

In Episode 25 of The API Podcast, Lucas and Luna explore how Slack designed its API ecosystem to handle over a million integrations without breaking. They dive into Slack's block kit framework, the decision to use event subscriptions over polling, and how rate limits are communicated per workspace. Discover why Slack's API documentation prioritizes developer onboarding and how their webhook strategy reduces latency. Perfect for developers building third-party integrations or platforms with API-first architectures. #Slack #API #Integrations #BlockKit #Webhooks #EventSubscriptions #RateLimiting #DeveloperExperience #APIDocumentation #Scaling #Technology #SaaS #RealTimeAPIs #Microservices #FexingoBusiness #BusinessPodcast #TechPodcast #APIDesign Keep every episode free: buymeacoffee.com/fexingo

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This episode is 7 minutes long.

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This episode was published on June 1, 2026.

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