Claude API (Standard tier) SLA
Anthropic · AI models · no public SLA · SLA of Jun 17, 2025 · checked 26h ago
No public SLA, so there is no promise to test. Observed over 365 days: 98.76%.
Incidents, last 365 days
StartedIncidentCounted asDuration
- Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 22, 2026 · 98 min
- Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 15, 2026 · 86 min
- Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 11, 2026 · 17 min
- Elevated latency on the Claude API for some usersClaude API (api.anthropic.com), Claude CoworkMinorSep 10, 2026 · 1.7 h
- Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 3, 2026 · 3 h
- Elevated errors for Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 3, 2026 · 19 min
- Elevated errors for Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedSep 2, 2026 · 26 min
- Delays in credit purchasesClaude Console (platform.claude.com)MinorSep 1, 2026 · 2 h
- Degraded performance on platform.claude.com and Claude for Microsoft Office 365claude.ai, Claude Console (platform.claude.com)MinorSep 1, 2026 · 62 min
- Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedAug 24, 2026 · 3.4 h
- Elevated errors on requests to multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedAug 20, 2026 · 26 min
- Elevated errors on Google connectorsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 20, 2026 · 29 min
- Degraded performance for Claude Opus 5 and Claude Haiku 4.5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 19, 2026 · 80 min
- Degraded performance for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 18, 2026 · 2.7 h
- Degraded performance for Claude Opus 5, Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 17, 2026 · 93 min
- Service disruption on Claude servicesclaude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude CoworkOutageAug 16, 2026 · 36 min
- Service disruption on Claude servicesClaude API (api.anthropic.com), Claude Code, Claude CoworkDegradedAug 14, 2026 · 88 min
- Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegradedAug 13, 2026 · 95 min
- Degraded performance for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 12, 2026 · 4.3 h
- Degraded performance for Claude Opus 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 5, 2026 · 43 min
- Degraded performance of multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 5, 2026 · 7.2 h
- Elevated errors on Claude Sonnet 5claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude CodeMinorAug 4, 2026 · 25 min
- Elevated errors on Claude Sonnet 5claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude CodeMinorAug 4, 2026 · 39 min
- Degraded performance on Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 3, 2026 · 15 min
- Error rates across multiple modelsclaude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude CoworkMinorAug 3, 2026 · 84 min
Latest 25 of 60.
Commitments and credits
Service tiers doc: 'The API prioritizes these requests alongside all other requests with best-effort availability.' Commercial Terms L.2: 'THE SERVICES AND OUTPUTS ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND'. Service Specific Terms and claude.com pricing/enterprise pages contain no SLA or uptime text.
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Terms, exclusions and sources
- Measured
- No uptime commitment; best-effort.
- Not covered
- Services provided 'AS IS' and 'AS AVAILABLE'; No published uptime or credit schedule; Any SLA only via negotiated enterprise contract
- Status history
- Status history since Sep 22, 2025
- Weighted uptime
- All incidents, weighted: 94.774% · Downtime
Sources: each vendor's own SLA page (re-read monthly) and status page feed (read every Friday). A summary, not the contract: the contract you sign governs. Logos via logo.dev; trademarks belong to their owners.