CallMissed Blog
Insights on AI communication, voice agents, WhatsApp automation, and the future of customer engagement.
5 min read
GuideMay 8, 2026
Anthropic-Compatible Messages API: Use Claude Without Vendor Lock-In
The Anthropic Messages API has its own design — a content-block model, system-prompt-as-top-level-field, native tool use, prompt caching, extended thinking. Apps built on Claude tend to use Anthropic's SDK directly, and migrating those apps usually means rewriting the call shape. CallMissed avoids t…
5 min read
ReviewMay 8, 2026
Claude Opus 4.7: A Deep Dive Into Anthropic's Most Capable Model
Anthropic shipped Claude Opus 4.7 on April 16, 2026, and unlike most point-release model updates, the jump from 4.6 to 4.7 was substantive — bigger than the version number suggests. The headline numbers, the 1M token context window, the SWE-bench leap, and the new vision pipeline are all worth under…