Live status & reliability report
Anthropic API status, outages & reliability
The Anthropic API (Claude Platform) gives developers paid access to Anthropic's Claude models.
Data updated Nov 1, 2026 · score recalculated
Over the last 89 days Anthropic API had 97.52% effective uptime across 36 status page incidents (23 partial or major outages), resolving them in 3h 34m on average.
Is Anthropic API down right now?
No, Anthropic API is up and running.
- Anthropic API's status page reports all systems operational. Checked .
- All 3 Anthropic API pages we check are responding. Checked .
90-day uptime
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Key facts about Anthropic API's reliability
- Since Aug 5, 2026, the earliest date its published history covers, Anthropic API published 36 incidents on its status page, 23 of them partial or major outages.
- Its longest outage on record in that time was “Elevated errors on platform.claude.com” on Oct 7, 2026, which lasted 3d.
- The part of Anthropic API most often affected was Claude API (api.anthropic.com) (31 of 36 incidents).
- Incidents most often began on a Tuesday (9 of 36, UTC).
- Anthropic API's 90-day uptime of 97.52% is below the average for LLM API providers (99.34%).
- It resolves incidents more slowly than the typical LLM API provider: 3h 34m on average, against a median of 2h 22m.
Score breakdown
Incidents per month
- Major outage
- Partial outage
- Degraded
- Informational
Response time
Daily average response time of Anthropic API's public pages, measured by our probes.
Not enough data yet — this chart fills in as our monitoring runs.
Score trend
Daily reliability score (rolling 90-day window).
Not enough data yet — this chart fills in as our monitoring runs.
Anthropic API incident history (last 90 days)
- Partial outageOct 27, 2026 · resolved in 41m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 27, 2026 · resolved in 42m
Elevated errors for Claude Sonnet 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 32m
Elevated errors for Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 25, 2026 · resolved in 1h 39m
Elevated errors for Claude Sonnet 5.5 and other models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 24, 2026 · resolved in 37m
Elevated errors for Claude Fable 5 and Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 24, 2026 · resolved in 6m
Elevated errors for Claude Opus 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Major outageOct 23, 2026 · resolved in 34m
Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceOct 21, 2026 · resolved in 40m
Degraded performance for Claude Fable 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- InformationalOct 7, 2026 · resolved in <1m
- Partial outageOct 7, 2026 · resolved in 6d 4h
Elevated errors on platform.claude.com
Affected: Claude Console (platform.claude.com)
- Partial outageOct 7, 2026 · resolved in 1h 13m
Elevated errors loading usage data on platform.claude.com
Affected: Claude Console (platform.claude.com)
- Partial outageOct 6, 2026 · resolved in 19m
Elevated errors for Claude Opus 5.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageOct 5, 2026 · resolved in 16m
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceOct 1, 2026 · resolved in 6h 16m
Delayed credits on the Claude Platform
Affected: Claude Console (platform.claude.com), Claude API (api.anthropic.com)
- Partial outageSep 29, 2026 · resolved in 2h 6m
Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageSep 22, 2026 · resolved in 1h 38m
Elevated errors for multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageSep 15, 2026 · resolved in 1h 26m
Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageSep 11, 2026 · resolved in 17m
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceSep 10, 2026 · resolved in 1h 41m
Elevated latency on the Claude API for some users
Affected: Claude API (api.anthropic.com), Claude Cowork
- Partial outageSep 3, 2026 · resolved in 2h 57m
Elevated errors for multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageSep 3, 2026 · resolved in 19m
Elevated errors for Claude Sonnet 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageSep 2, 2026 · resolved in 26m
Elevated errors for Claude Sonnet 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceSep 1, 2026 · resolved in 1h 58m
Affected: Claude Console (platform.claude.com)
- Degraded performanceSep 1, 2026 · resolved in 1h 2m
Degraded performance on platform.claude.com and Claude for Microsoft Office 365
Affected: claude.ai, Claude Console (platform.claude.com)
- Partial outageAug 24, 2026 · resolved in 3h 24m
Elevated errors for multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageAug 20, 2026 · resolved in 26m
Elevated errors on requests to multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 20, 2026 · resolved in 29m
Elevated errors on Google connectors
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 19, 2026 · resolved in 1h 20m
Degraded performance for Claude Opus 5 and Claude Haiku 4.5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 18, 2026 · resolved in 2h 41m
Degraded performance for multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 17, 2026 · resolved in 1h 33m
Degraded performance for Claude Opus 5, Claude Sonnet 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Major outageAug 16, 2026 · resolved in 36m
Service disruption on Claude services
Affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageAug 14, 2026 · resolved in 1h 28m
Service disruption on Claude services
Affected: Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Partial outageAug 13, 2026 · resolved in 1h 35m
Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 12, 2026 · resolved in 4h 17m
Degraded performance for multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 5, 2026 · resolved in 43m
Degraded performance for Claude Opus 5
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
- Degraded performanceAug 5, 2026 · resolved in 7h 9m
Degraded performance of multiple models
Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
Source: Anthropic API status page · last checked
Our independent monitoring
We check these public Anthropic API pages every 5 minutes. An outage is recorded after two consecutive failed checks.
| Page | Last check | Uptime (30d) | Avg response |
|---|---|---|---|
| API models endpoint (unauthenticated) | Up | 100% | 170 ms |
| Claude Platform console | Up | 100% | 514 ms |
| Platform docs | Up | 100% | 875 ms |
How Anthropic API compares
Anthropic API status FAQ
Is Anthropic API down right now?
No, Anthropic API is up and running. Anthropic API's status page currently reports all systems operational, and all 3 of the Anthropic API pages we check every five minutes are responding. This page updates automatically when that changes.
How reliable is Anthropic API?
Anthropic API has a reliability score of 36.7 out of 100, ranking #11 of 11 LLM API providers. Over the last 90 days it had 97.52% effective uptime.
How often does Anthropic API have outages?
Anthropic API published 36 incidents on its status page in the last 90 days (23 partial or major outages) and 36 in the past 12 months.
How long do Anthropic API outages last?
Anthropic API resolves incidents in 3h 34m on average. Its longest outage in the past year lasted 3d, on Oct 7, 2026.
Does Anthropic API have a status page?
Yes. Anthropic API's official status page is status.claude.com. We read it every five minutes and keep its full incident history.