Uptime SLA Credit
Definition
An uptime SLA credit is the remedy written into a service level agreement for months when measured availability falls below the committed figure. It is expressed as a percentage of the monthly fee for the affected service, on a tiered scale: a small shortfall might return 10 per cent, a larger one 25 or 50. The credit is almost always capped at that month's fee, so it is a partial refund rather than compensation for what the outage cost you. It is also usually a credit against future invoices rather than money back. The scale, the measurement method and the exclusions all live in the same document as the uptime guarantee itself, and that is where the real terms are.
Why It Matters
The credit is what gives a published availability figure any force, and its size tells you how seriously to take the promise. Three nines across a 30-day month allows 43 minutes and 12 seconds of unavailability, and 99.95 per cent allows about 21 minutes and 36 seconds; miss those and the standard remedy is a fraction of one month's bill. On a plan costing 20 a month, a 25 per cent credit is 5, which does not cover an hour of downtime during a launch. Read the credit as a signal of the provider's own confidence rather than as insurance, and where an outage would cost more than the monthly fee, the answer is a second copy of the content elsewhere, not a better clause.
How It Works
Availability is calculated per calendar month, and the agreement defines exactly what counts. Nearly all of them exclude maintenance announced in advance, problems caused by your own configuration or content, third-party services outside the provider's control, and force majeure — which together can remove a surprising share of any given incident. Measurement normally comes from the provider's own instruments, with the status page as the public record; some agreements will accept your own uptime monitoring data as supporting evidence, and a few require it. Credits are rarely automatic. The usual pattern is that you must submit a claim within a stated window, often 30 days from the incident, giving dates, times and the affected addresses. Miss that window and the entitlement lapses even where the outage is undisputed, which is the commonest reason credits go unclaimed.
Real-World Example
A firm keeps client documents on a paid plan with a 99.9 per cent commitment, at clients-hub.99helpers.site. An edge problem makes the documents unreachable for 70 minutes on a Tuesday, putting the month at roughly 99.84 per cent. Their own external checks recorded the start and end times, which is what the claim needs — a provider incident record alone would not have shown which of their addresses were affected. The credit comes back as a percentage of one month's fee: worth having, and nowhere near what the interrupted afternoon actually cost.
Common Mistakes
- ✕Expecting the credit to arrive on its own — most agreements require a claim within a fixed window and pay nothing at all if none is filed
- ✕Reading the availability percentage without reading the exclusions — announced maintenance and third-party failures are usually carved out, and they account for a good share of real unavailability
- ✕Treating a credit as cover for business losses — it is capped at the monthly fee, which is the wrong order of magnitude for anything that genuinely hurt
Related Terms
Uptime Guarantee
A provider's contractual promise about how much of the month its service will be available, with a penalty if it misses. The penalty is almost always a credit against your next bill, not compensation for what the outage cost you.
Downtime
Any period in which a site does not do its job for the people trying to use it. That includes a page that loads but is broken, not only a server that refuses to answer.
Uptime Monitoring
An outside service that requests your site on a schedule and tells you when it stops answering correctly. It exists so that you find out about an outage before your visitors have to tell you.
Status Page
A separate page that says whether a service is working and what is being done if it is not. Its whole value comes from being hosted away from the thing it reports on.
Uptime
Uptime is the share of a period during which a site answers requests normally, quoted as a percentage such as 99.9 percent. Its mirror image is downtime, and the difference between two numbers that look almost identical can be hours.
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