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Credit-backed
Publishes an SLA backed by tiered service credits: 100% uptime, credits up to 50%.
Source: official SLA ↗ · checked Jun 2026 · View as JSON
100%
Uptime
50%
Max credit
30d
Claim window
Credit
Remedy
Gold
Min plan
How to claim
Submission
Credit request to Fastly Support · support.fastly.com/s/
Deadline
30 days of incident
Credit applied
Credits will be applied to the Invoice two months following the month an invoice credit was incurred.
Common exclusions
Reduction in availability due to maintenance
Customer hardware or software failures
Customer or end-user connectivity issues
Customer operator errors
Traffic exceeding Permitted Utilization
Customer corrupted content
Acts of god, war, earthquakes, or terrorist actions
Unpaid and month-to-month accounts (no invoice credits)
Support tiers complementary, not the SLA
Standard
—
Included · Business hours
Gold
SLA-eligible
Paid · 24/7
Enterprise
SLA-eligible
Custom · 24/7
Per-service SLAs · 5
Most platforms commit to SLAs per service, not one blanket number.Service
Category
Uptime
SLA
Fastly Next-Gen WAF
Web application firewall (Security service SLA, Hosted Dashboard / Cloud WAF)
Security
Uptime 99.9%
SLA covered
Fastly CDN
Content delivery network (Network Services availability SLA)
CDN
Uptime 100%
SLA covered
Fastly Compute
Edge serverless compute (Network Services availability SLA)
Edge Compute
Uptime 100%
SLA covered
Fastly DDoS Protection
Managed DDoS mitigation service (no uptime guarantee)
Security
Uptime —
SLA not covered
Fastly Image Optimizer
Image optimization (Network Services availability SLA)
Media
Uptime 100%
SLA covered
Notes — Fastly is a CDN & Edge provider. See the official Network Services service availability SLA at https://docs.fastly.com/products/network-services-service-availability-sla.
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