{"note":"Summaries of published SLAs; the contract you sign governs. Observed uptime is computed from vendors’ own status pages: see https://nines.fru.dev/method","changes":[{"id":19,"date":"2026-09-23","vendorSlug":"openai","vendorName":"OpenAI","domain":"openai.com","serviceId":"openai-api-scale-tier","serviceName":"OpenAI API Scale Tier","summary":"GPT-5.5 Scale Tier latency SLA listed as '99% > 100 tokens per second' in the 2026-06-11 snapshot; the live page on 2026-09-23 lists '99% > 50 tokens per second'. Exact change date unknown (between those dates).","sourceUrl":"https://web.archive.org/web/20260611173929/https://openai.com/api-scale-tier/","kind":"sourced","unverified":false},{"id":1,"date":"2026-09-23","vendorSlug":"anthropic","vendorName":"Anthropic","domain":"anthropic.com","serviceId":"anthropic-api-priority-tier","serviceName":"Claude API Priority Tier","summary":"Priority Tier moved from a purchasable offer ('Get started with Priority Tier ... Higher availability: Target 99.5% uptime', still present in the 2025-11-11 snapshot) to 'no longer available for purchase' for new commitments. The 99.5% target is unchanged. Exact change date unknown; after 2025-11-11, observed 2026-09-23.","sourceUrl":"https://web.archive.org/web/20251111225422/https://docs.claude.com/en/api/service-tiers","kind":"sourced","unverified":false},{"id":20,"date":"2026-07-30","vendorSlug":"openai","vendorName":"OpenAI","domain":"openai.com","serviceId":"openai-api-fast-mode","serviceName":"OpenAI API Fast mode (formerly Priority processing)","summary":"Priority processing renamed Fast mode ('Priority processing was renamed Fast mode on July 30, 2026'); service_tier 'priority' still accepted.","sourceUrl":"https://developers.openai.com/api/docs/guides/fast-mode","kind":"sourced","unverified":false},{"id":9,"date":"2026-06-01","vendorSlug":"github","vendorName":"GitHub","domain":"github.com","serviceId":"github-enterprise-cloud","serviceName":"GitHub Enterprise Cloud","summary":"Credit schedule changed. The June 2021 version (Wayback snapshot 2022-02-03, PDF) gave 10% of fees when quarterly Uptime was <= 99.9% but > 99.0%, and 25% below 99.0%. The current 'Version: June 2026' page gives 5% for 99.5-99.9%, 10% for 99.0-99.5%, 25% below 99.0%, so small misses now earn half the prior credit. The 99.9% quarterly commitment is unchanged. A 2025-12-31 snapshot still linked the 20210630 PDF, so the change landed in the first half of 2026; exact day not published (date set to the version month).","sourceUrl":"https://web.archive.org/web/20220203012644/https://github.com/customer-terms/github-online-services-sla","kind":"sourced","unverified":false},{"id":24,"date":"2026-02-24","vendorSlug":"snowflake","vendorName":"Snowflake","domain":"snowflake.com","serviceId":"snowflake-postgres","serviceName":"Snowflake Postgres (HA instances)","summary":"Appendix A added a Snowflake Postgres HA Feature Level of 99.95% with 3x/7x/total HA-instance credits; not present in the January 9, 2026 version.","sourceUrl":"https://www.snowflake.com/en/legal/addenda/support-policy-and-service-level-agreement/2026-01-09/","kind":"sourced","unverified":false},{"id":8,"date":"2026-02-05","vendorSlug":"databricks","vendorName":"Databricks","domain":"databricks.com","serviceId":"databricks-platform","serviceName":"Databricks Data + AI Platform","summary":"Support offerings table updated: the Enhanced tier was dropped from the current table (Business / Production / Mission Critical remain); Enhanced details retained on a separate page for existing commit customers. Page: 'Last update to offerings table February 5, 2026, for earlier version with details on Enhanced Support for existing commit customers'.","sourceUrl":"https://www.databricks.com/support-with-enhanced","kind":"sourced","unverified":false},{"id":18,"date":"2025-08-10","vendorSlug":"openai","vendorName":"OpenAI","domain":"openai.com","serviceId":"openai-api-scale-tier","serviceName":"OpenAI API Scale Tier","summary":"Latency SLA methodology changed from 'average request latency on per minute basis across the month' (e.g. GPT-4o 99% > 25 tokens/s in Aug 2024) to 'p50 request latency on a per 5 minute basis'. Change occurred between the 2025-04-04 and 2025-08-10 archived snapshots; uptime stayed 99.9%.","sourceUrl":"https://web.archive.org/web/20250810104439/https://openai.com/api-scale-tier/","kind":"sourced","unverified":false},{"id":7,"date":"2025-07-25","vendorSlug":"confluent","vendorName":"Confluent","domain":"confluent.io","serviceId":"confluent-warpstream","serviceName":"WarpStream BYOC","summary":"WarpStream BYOC schedule changed between the March 19, 2025 and July 25, 2025 SLA PDFs: March had 3 columns (Fundamentals/Pro/Enterprise, top band '< 99.99% ≥ 99.95%' for Enterprise, bands like '< 99.94% ≥ 99.90%'); July adds 'Enterprise Cluster (Multi Region)' at 99.999% ('< 99.999% ≥ 99.99% ... 10%') and re-cuts bands to '< 99.95% ≥ 99.90%'. The Kafka, Flink, Connector, ksqlDB and Schema Registry tables are identical in both.","sourceUrl":"https://assets.confluent.io/m/7225ea051b0a7b42/original/20220809-Confluent_Cloud_Service_Level_Agreement-August-2022.pdf","kind":"sourced","unverified":false},{"id":25,"date":"2025-06-22","vendorSlug":"supabase","vendorName":"Supabase","domain":"supabase.com","serviceId":"supabase-platform","serviceName":"Supabase Platform (Postgres, Auth, Data APIs, Storage, Pooler, Realtime, Functions, Management API, Branching, Studio, Logging)","summary":"20% cap on total credits (trailing 12 months of fees) and per-product scope/exclusions added. Not present in the 2025-06-15 snapshot, present on 2025-06-22. The 99.9% commitment and 10/15/20/30% schedule are unchanged since the earliest snapshot (2022-12-13).","sourceUrl":"https://web.archive.org/web/20250622123846/https://supabase.com/sla","kind":"sourced","unverified":false},{"id":23,"date":"2025-03-10","vendorSlug":"snowflake","vendorName":"Snowflake","domain":"snowflake.com","serviceId":"snowflake-platform","serviceName":"Snowflake Service (Data Cloud)","summary":"Base support tier renamed from 'Premier Support' to 'Snowflake Support'; response times unchanged (Sev1 1 hour / Priority 15 minutes).","sourceUrl":"https://www.snowflake.com/en/legal/addenda/support-policy-and-service-level-agreement/2025-03-10/","kind":"sourced","unverified":false},{"id":21,"date":"2025-02-28","vendorSlug":"pinecone","vendorName":"Pinecone","domain":"pinecone.io","serviceId":"pinecone-database","serviceName":"Pinecone Database (pod-based and serverless)","summary":"Support Policy: the top tier was renamed from 'Enterprise' to 'Premium'. The policy says 'No other changes were made' (support tier naming only, not uptime).","sourceUrl":"https://www.pinecone.io/legal/support-policy/","kind":"sourced","unverified":false},{"id":28,"date":"2024-07-18","vendorSlug":"vercel","vendorName":"Vercel","domain":"vercel.com","serviceId":"vercel-platform","serviceName":"Vercel platform (content serving)","summary":"June 6, 2022 version (snapshot 2024-06-14) excluded Scheduled Downtime and printed the first credit band as '99% to 99.98%'; the July 18, 2024 version drops the Scheduled Downtime exclusion, scopes the SLA to content-serving components only (not API/CLI) and prints the first band as '99.1% to 99.98%'.","sourceUrl":"https://web.archive.org/web/20240614002116/https://vercel.com/legal/sla","kind":"sourced","unverified":false},{"id":26,"date":"2024-06-13","vendorSlug":"supabase","vendorName":"Supabase","domain":"supabase.com","serviceId":"supabase-platform","serviceName":"Supabase Platform (Postgres, Auth, Data APIs, Storage, Pooler, Realtime, Functions, Management API, Branching, Studio, Logging)","summary":"Support table changed. The Dec 2022 snapshot had Standard / Priority / Priority Plus with Urgent at '1 business hour' for all three. By the June 2024 snapshot it was Team / Enterprise Standard / Priority Plus, with Team Urgent at 24 hours. Exact change date is between snapshots.","sourceUrl":"https://web.archive.org/web/20221213031127/https://supabase.com/sla","kind":"sourced","unverified":false},{"id":12,"date":"2023-08-29","vendorSlug":"google-cloud","vendorName":"Google Cloud","domain":"cloud.google.com","serviceId":"google-cloud-compute","serviceName":"Compute Engine","summary":"Single Instance SLO raised from 99.5% to 99.9% (99.95% for memory-optimized family).","sourceUrl":"https://cloud.google.com/compute/sla/index-20230829.html","kind":"sourced","unverified":false},{"id":27,"date":"2022-06-06","vendorSlug":"vercel","vendorName":"Vercel","domain":"vercel.com","serviceId":"vercel-platform","serviceName":"Vercel platform (content serving)","summary":"Enterprise availability commitment lowered from 100% (version 'Last update: April 21st, 2020', still live in the 2021-08-14 snapshot) to 99.99% ('Last updated: June 6, 2022'); the 2022 version also added a credit table (99% to 99.98% = 10%, 95% to 99% = 25%, below 95% = 50%). The 2020 text references credits 'as set forth below' but no table appears in the snapshot.","sourceUrl":"https://web.archive.org/web/20210814062806/https://vercel.com/legal/sla","kind":"sourced","unverified":false},{"id":22,"date":"2022-06-01","vendorSlug":"snowflake","vendorName":"Snowflake","domain":"snowflake.com","serviceId":"snowflake-platform","serviceName":"Snowflake Service (Data Cloud)","summary":"Single 99.9% Service Level (1% error threshold) replaced by dual definition adding 99.99% at a 10% Error Rate Threshold. Dec 10, 2021 version: 'The Monthly Availability Percentage for the Snowflake Service is ninety-nine and nine-tenths percent (99.9%)'; June 1, 2022 version: 'Monthly Availability Percentage of 99.99% when measured with a 10% Error Rate Threshold'. Credit multiples (1x/3x/7x) unchanged.","sourceUrl":"https://www.snowflake.com/en/legal/addenda/support-policy-and-service-level-agreement/2022-06-01/","kind":"sourced","unverified":false},{"id":6,"date":"2022-05-25","vendorSlug":"aws","vendorName":"AWS","domain":"aws.amazon.com","serviceId":"aws-ec2","serviceName":"Amazon EC2","summary":"Amazon Compute SLA narrowed to EC2 only; the May 5, 2022 version listed EC2, EBS, ECS and Fargate as Included Services under one SLA. Percentages unchanged (99.99% region, 99.5% instance).","sourceUrl":"https://aws.amazon.com/compute/sla/historical/","kind":"sourced","unverified":false},{"id":5,"date":"2022-05-05","vendorSlug":"aws","vendorName":"AWS","domain":"aws.amazon.com","serviceId":"aws-ec2","serviceName":"Amazon EC2","summary":"Instance-Level SLA of 99.5% monthly with 10/30/100% credits introduced, replacing the July 22, 2020 'Hourly Commitment' (Single EC2 Instance Hourly Uptime Percentage of at least 90% per clock hour, otherwise that instance hour is not charged).","sourceUrl":"https://aws.amazon.com/compute/sla/historical/","kind":"sourced","unverified":false},{"id":16,"date":"2021-06-23","vendorSlug":"mongodb","vendorName":"MongoDB","domain":"mongodb.com","serviceId":"mongodb-atlas","serviceName":"MongoDB Atlas (database clusters)","summary":"Coverage expanded from M30+ to M10+ clusters; 99.995% and the 10/25/100% credit schedule unchanged. April 2021 snapshot (version 'Last updated: June 1, 2020') reads 'applies only to MongoDB Atlas deployments at level M30 or above'.","sourceUrl":"https://web.archive.org/web/20210413022825/https://www.mongodb.com/cloud/atlas/sla","kind":"sourced","unverified":false},{"id":11,"date":"2021-04-12","vendorSlug":"google-cloud","vendorName":"Google Cloud","domain":"cloud.google.com","serviceId":"google-cloud-compute","serviceName":"Compute Engine","summary":"Single Instance SLO of 99.5% added (Jan 13, 2020 version had no single-instance commitment).","sourceUrl":"https://cloud.google.com/compute/sla-20210412","kind":"sourced","unverified":false},{"id":17,"date":"2020-06-01","vendorSlug":"mongodb","vendorName":"MongoDB","domain":"mongodb.com","serviceId":"mongodb-atlas","serviceName":"MongoDB Atlas (database clusters)","summary":"MongoDB's changelog states: 'We have updated our service credit offering for failures of uptime.' The pre-change numbers could not be verified: the earliest Wayback capture (2020-10-01) is already after this change.","sourceUrl":"https://www.mongodb.com/legal/sla/atlas/changes","kind":"sourced","unverified":false},{"id":4,"date":"2019-03-20","vendorSlug":"aws","vendorName":"AWS","domain":"aws.amazon.com","serviceId":"aws-s3","serviceName":"Amazon S3 (Standard)","summary":"S3 Standard credit schedule gained a 100% tier below 95.0% (and a 25% band 95.0-99.0%). April 4, 2018 version: 99.0-99.9% = 10%, less than 99.0% = 25%. March 20, 2019 version: 10% / 25% / 100%. Standard-IA got the same 100% tier below 95%. The 99.9% threshold did not change.","sourceUrl":"https://web.archive.org/web/20191002235233/https://aws.amazon.com/s3/sla/","kind":"sourced","unverified":false},{"id":3,"date":"2019-03-19","vendorSlug":"aws","vendorName":"AWS","domain":"aws.amazon.com","serviceId":"aws-ec2","serviceName":"Amazon EC2","summary":"Third credit tier added: below 95.0% now earns a 100% credit (February 12, 2018 version topped out at 30% for 'Less than 99.0%').","sourceUrl":"https://aws.amazon.com/compute/sla/historical/","kind":"sourced","unverified":false},{"id":15,"date":"2018-05-01","vendorSlug":"microsoft","vendorName":"Microsoft Azure","domain":"azure.microsoft.com","serviceId":"microsoft-vm","serviceName":"Azure Virtual Machines","summary":"Availability Zones tier added: VMs across two or more zones get 99.99% (10/25/100% credits). Not present in the March 2018 edition.","sourceUrl":"https://www.microsoft.com/licensing/docs/documents/download/OnlineSvcsConsolidatedSLA(WW)(English)(May2018)(CR).docx","kind":"sourced","unverified":false},{"id":10,"date":"2018-04-13","vendorSlug":"google-cloud","vendorName":"Google Cloud","domain":"cloud.google.com","serviceId":"google-cloud-compute","serviceName":"Compute Engine","summary":"Compute Engine SLO raised from 99.95% to 99.99%. Nov 30, 2017 version: 'Monthly Uptime Percentage to Customer of at least 99.95%'; April 13, 2018 version: 'at least 99.99%'.","sourceUrl":"https://cloud.google.com/compute/sla-20180413","kind":"sourced","unverified":false},{"id":2,"date":"2017-11-15","vendorSlug":"aws","vendorName":"AWS","domain":"aws.amazon.com","serviceId":"aws-ec2","serviceName":"Amazon EC2","summary":"Region-level EC2 (and EBS) commitment raised from 99.95% to 99.99%. June 1, 2013 version: 'Monthly Uptime Percentage ... of at least 99.95%'; November 15, 2017 version: 'of at least 99.99%'. Credit tiers stayed 10% / 30%.","sourceUrl":"https://aws.amazon.com/compute/sla/historical/","kind":"sourced","unverified":false},{"id":14,"date":"2017-03-15","vendorSlug":"microsoft","vendorName":"Microsoft Azure","domain":"azure.microsoft.com","serviceId":"microsoft-vm","serviceName":"Azure Virtual Machines","summary":"100% credit tier added below 95% for Availability Set and single-instance VMs. January 2017 edition: Availability Set < 99.95% 10%, < 99% 25% (no 100% tier); March 15, 2017 edition adds '< 95% 100%'.","sourceUrl":"https://www.microsoft.com/licensing/docs/documents/download/OnlineSvcsConsolidatedSLA(WW)(English)(March152017)(CR).docx","kind":"sourced","unverified":false},{"id":13,"date":"2017-01-01","vendorSlug":"microsoft","vendorName":"Microsoft Azure","domain":"azure.microsoft.com","serviceId":"microsoft-vm","serviceName":"Azure Virtual Machines","summary":"Single-instance VM SLA of 99.9% (premium storage for all disks) first appears. December 2016 edition covered only VMs in an Availability Set (99.95%, credits 10% / 25%).","sourceUrl":"https://www.microsoft.com/licensing/docs/documents/download/OnlineSvcsConsolidatedSLA(WW)(English)(January2017)(cr).docx","kind":"sourced","unverified":false}]}