Blog

Ideas, tips, and stories

Product updates, tutorials, and announcements from the Sendsar team.

Opinion

The Hidden Tax of "Building Your Own" Chat Backend

Building a real-time chat backend from scratch means signing up for a lifetime tax of fixing WebSocket connection drops, database scaling, and race conditions.

Team Flash Chat • Jun 13, 2026 • 5 min read

Comparison

Best Headless Chat APIs in 2026: Stream, Sendbird, CometChat & More Compared

Compare Stream, Sendbird, CometChat, Twilio, PubNub, and Flash Chat on integration, pricing, two-party messaging, and platform fit.

Team Flash Chat • Jun 10, 2026 • 8 min read