Cloudflare Workers Introduces Cross-Async Tracing API

Cloudflare is adding built-in OpenTelemetry tracing APIs to Workers, including tracing.startActiveSpan() and span.end(), enabling tracing spans to persist across asynchronous operations for better observability.

2026-07-29 ~ 2026-07-29 · 2 related posts

• Cloudflare adds OpenTelemetry startActiveSpan support to Workers — irvinebroque · 2026-07-29
• Cloudflare Workers adds custom tracing spans that can stay open across async work — irvinebroque · 2026-07-29