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Drive greater scale and productivity with Momento Topics, a serverless event bus.

Just subscribe for messages with a single API call and connect across your full stack—even from browser to browser. No API structure to build. No connections to manage. Subscribe any HTTP endpoint to a topic with webhooks, making troublesome integrations a thing of the past.
Momento Topics Logo

Momento Topics is the serverless event bus you've been waiting for.

No API structure to build. No connections to manage. Just subscribe for messages with a single API call and connect across your full stack–even from browser to browser. Subscribe any HTTP endpoint to a topic with webhooks, making troublesome integrations a thing of the past.
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Build a multi-language chat app with Momento

Play with this chat app featuring automatic message moderation and instant multilingual translation—all built with Momento Topics and AWS Lambda with webhooks.
Build this—or ChatGPT response streaming, or social media notifcations, or your next real-time data dream—with Momento Topics. And take it to prod today!
Start Using Momento Topics
Hokkaido Television Logo
ZigZaGame Logo
Prominent Japanese media company Hokkaido Television Broadcasting went from 0 to production with Momento in just three weeks, reducing access spike-related outages to 0 and improving API response time from 2s to 500ms–all while keeping their architecture fully serverless.
Momento fueled ZigZaGame's migration to AWS Lambda when their Redis servers could not handle the connection spikes. From storing chats to powering notifications via Momento Topics, ZigZaGame is going all in on Momento.
Hokkaido Television Logo
Prominent Japanese media company Hokkaido Television Broadcasting went from 0 to production with Momento in just three weeks, reducing access spike-related outages to 0 and improving API response time from 2s to 500ms–all while keeping their architecture fully serverless.
ZigZaGame Logo
Momento fueled ZigZaGame's migration to AWS Lambda when their Redis servers could not handle the connection spikes. From storing chats to powering notifications via Momento Topics, ZigZaGame is going all in on Momento.