Binance publishes H1 2026 API uptime report with limited disclosed metrics

Binance says it has published an H1 2026 API uptime report, but the source material does not contain a verified half-year aggregate uptime figure, latency dataset or error-rate series for January through June. The available evidence is limited to earlier Binance disclosures, scheduled maintenance notices and documentation changes, which show technical changes during the period but do not by themselves establish full-period reliability.

Evidence and context

The source text attached to Binance’s Oct. 15, 2026 blog page contains only a truncated headline and does not expose the underlying H1 report metrics. Enrichment material reviewed on Oct. 15, 2026 says no official Binance H1 2026 aggregate API uptime report or verified full-period latency dataset was located. On that basis, no H1-wide uptime percentage, p50 or p95 latency, throughput or error-rate statistic can be responsibly stated.

The closest official benchmark in the provided material is an April 1, 2026 Binance report that actually covered H2 2025, not H1 2026. In that report’s body, Binance said overall API uptime was 99.97%, with 100% uptime for Spot, Margin and coin-margined Futures, and USD-margined Futures uptime of 99.96% in Q3 and 99.95% in Q4. The enrichment material says Binance’s blog index summarized the same report as 99.99% overall uptime, creating an unresolved discrepancy that should be flagged rather than reconciled without additional evidence.

Other verified developments in the first half of 2026 relate to infrastructure changes rather than measured availability. Binance said on April 17, 2026 that SBE Diff Depth and FIX SBE MarketDataIncrementalDepth update intervals would be reduced from 50 milliseconds to 25 milliseconds on May 5, 2026 at about 10:00 UTC. Binance also announced a Spot API infrastructure upgrade for July 9, 2026, at 07:00 UTC, with an approximately one-hour window that could disconnect WebSocket connections; that maintenance falls outside H1 2026. A June 8, 2026 FIX TLS connectivity update was scheduled for about one hour and warned that existing connections could drop intermittently, but a maintenance notice does not establish actual downtime.

Binance’s REST documentation, as summarized in the enrichment material, says api1 through api4 endpoints may offer better performance but less stability, which means any meaningful performance comparison would need a named endpoint, protocol, region, observation window and measurement methodology. Those details are not supplied here. As a result, the available record supports only a narrow factual statement: Binance was making documented API and market-data infrastructure changes in H1 2026, while the half-year uptime performance itself remains unverified in the material provided.