Fly.io

fly.io

Fly.io declares 37 subprocessors in its subprocessor list, which we last checked on Nov 11, 2026 (evidence). They include Amazon Web Services, Google Cloud and OpenAI. The list last changed on Oct 29, 2026: 2 added, 0 removed. 20 tracked vendors name Fly.io as a subprocessor, including Deepgram, Supabase and Replicate.

Subprocessors CSV of Fly.io's subprocessors · Atom feed of Fly.io's subprocessors DORA draft CSV of Fly.io's subprocessors as declared by Fly.io what's this? · 

37 third parties.

NamePurposeLocationListed since
Anthropic AIAI-assisted log analysis, support responses, and signup classificationUnited States
AWS Account management, backup storage, engineering supportUnited States
CacheNetworks Hosting providerUnited States
ClickHouse Audit log storage for control plane API requestsUnited States
Customer.io Newsletters and transactional emailUnited States
DataPacket Hosting providerUnited Kingdom
Depot Customer software buildsUnited States
Discord Customer support communicationUnited States
Discourse Customer support communicationUnited States
Dropbox Sign Agreement signing (DPA, BAA, NDA)United States
Google Productivity suite and cloud infrastructureUnited States
Help Scout Customer support communicationUnited States
Hivelocity Hosting providerUnited States
Honeycomb Tracing and observabilityUnited States
HubSpot Customer relationship managementUnited States
incident.io Incident response and on-call managementUnited Kingdom
IPinfo Signup IP geolocation and risk scoringUnited States
Latitude Hosting providerUnited States
LaunchDarkly Feature rollout managementUnited States
Mailgun Transactional emailUnited States
Metronome BillingUnited States
NetActuate Hosting providerUnited States
OpenAI AIIncident summary generationUnited States
OpenRouter AIAI model routing for internal toolingUnited States
PeopleDataLabs Signup risk scoringUnited States
Plain Customer support communicationUnited Kingdom
PostHog Product analyticsGermany
RudderStack Product analyticsUnited States
Sentry Error reportingUnited States
Slab Knowledge managementUnited States
Slack Customer support communicationUnited States
Snowflake Customer relationship managementUnited States
Stripe Payment processing, fraud and abuse preventionUnited States
Tigris Object storage for SpritesUnited States
Timescale Time-series metrics storageUnited States
Vultr Hosting providerUnited States
Zenlayer Hosting providerUnited States

Web TechnologiesCSV of Fly.io's web technologies · Atom feed of Fly.io's web technologies

Fly.io's homepage made 42 requests to 4 domains, and 2 services controlled by another company.

Analytics (1): Google CloudOther (1): Payment processors: Stripe

2 third parties by category: Analytics 1Other 1

Third parties 2 · 7 requests
Stripesubprocessor Stripe dahlia 14% of the page's requests 6
Google Cloudsubprocessor Google Analytics Google Tag Manager 2% of the page's requests 1
First party 1 · 35 requests
Fly.io Elixir Erlang Fly.io Leaflet 1.9.4 Open Graph PWA Phoenix Framework Phoenix LiveView Plausible Priority Hints 83% of the page's requests 35

Subprocessor of (20)CSV of the companies listing Fly.io · Atom feed of the companies listing Fly.io

20 companies
  • Builder.io builder.io
  • Campsite campsite.com Application hosting
  • Day AI day.ai Cloud provider
  • Deepgram deepgram.com Cloud hosting and edge compute platform (infrastructure & deployment services)
  • Double doublehq.com White labeling
  • Featurebase featurebase.app Application hosting
  • Fillout fillout.com
  • Funnelfeedr funnelfeedr.com Hosting provider for containerised data-collection services. Customer Data is not stored here.
  • ilert ilert.com
  • MeshMesh meshmesh.io Application infrastructure
  • One Horizon onehorizon.ai Hosting and Redis caching
  • Outline getoutline.com Hosting
  • Pilosa pilosa.com Application hosting
  • Replicate replicate.com Public Cloud infrastructure
  • Salad salad.com
  • Spiffy spiffy.co Cloud infrastructure provider for Spiffy, where all applications are hosted. Almost all data stored, processed, and transmitted through Spiffy resides on Fly data centers.
  • Supabase supabase.com Provision of hosting services
  • Supered supered.io Servers
  • Tigris Data tigrisdata.com Hosting Provider
  • Turso turso.tech Cloud hosting

Service statusCSV of Fly.io's status page incidents · Atom feed of Fly.io's status page incidents

Aug 15: no incident reportedAug 16: no incident reportedAug 17: 1 incident (1 no impact stated)Aug 18: no incident reportedAug 19: 1 incident (1 no impact stated)Aug 20: 4 incidents (1 major, 1 minor, 2 no impact stated)Aug 21: no incident reportedAug 22: no incident reportedAug 23: 2 incidents (2 major)Aug 24: 2 incidents (2 minor)Aug 25: no incident reportedAug 26: 2 incidents (1 minor, 1 no impact stated)Aug 27: no incident reportedAug 28: 4 incidents (4 minor)Aug 29: no incident reportedAug 30: 2 incidents (2 no impact stated)Aug 31: 4 incidents (2 minor, 2 no impact stated)Sep 1: no incident reportedSep 2: 6 incidents (3 major, 3 minor)Sep 3: no incident reportedSep 4: no incident reportedSep 5: no incident reportedSep 6: no incident reportedSep 7: no incident reportedSep 8: no incident reportedSep 9: no incident reportedSep 10: no incident reportedSep 11: no incident reportedSep 12: 2 incidents (2 minor)Sep 13: no incident reportedSep 14: no incident reportedSep 15: 2 incidents (2 minor)Sep 16: no incident reportedSep 17: no incident reportedSep 18: no incident reportedSep 19: no incident reportedSep 20: no incident reportedSep 21: no incident reportedSep 22: no incident reportedSep 23: 8 incidents (8 major)Sep 24: 4 incidents (4 major)Sep 25: no incident reportedSep 26: 2 incidents (2 critical)Sep 27: no incident reportedSep 28: no incident reportedSep 29: 2 incidents (1 major, 1 no impact stated)Sep 30: no incident reportedOct 1: 1 incident (1 minor)Oct 2: no incident reportedOct 3: 1 incident (1 critical)Oct 4: no incident reportedOct 5: no incident reportedOct 6: 1 incident (1 minor)Oct 7: no incident reportedOct 8: 2 incidents (1 critical, 1 major)Oct 9: no incident reportedOct 10: no incident reportedOct 11: no incident reportedOct 12: 1 incident (1 no impact stated)Oct 13: 1 incident (1 minor)Oct 14: no incident reportedOct 15: 2 incidents (1 minor, 1 no impact stated)Oct 16: 2 incidents (2 major)Oct 17: no incident reportedOct 18: no incident reportedOct 19: no incident reportedOct 20: 1 incident (1 minor)Oct 21: no incident reportedOct 22: 1 incident (1 no impact stated)Oct 23: no incident reportedOct 24: no incident reportedOct 25: 1 incident (1 minor)Oct 26: 2 incidents (1 minor, 1 no impact stated)Oct 27: no incident reportedOct 28: no incident reportedOct 29: 3 incidents (1 minor, 2 no impact stated)Oct 30: 1 incident (1 minor)Oct 31: no incident reportedNov 1: 1 incident (1 minor)Nov 2: 2 incidents (1 major, 1 minor)Nov 3: no incident reportedNov 4: 1 incident (1 minor)Nov 5: no incident reportedNov 6: 1 incident (1 minor)Nov 7: no incident reportedNov 8: no incident reportedNov 9: no incident reportedNov 10: no incident reportedNov 11: 1 incident (1 no impact stated)Nov 12: 1 incident (1 critical)

90 days agotoday

  • 76 incidents in 90 days
  • 29 major or critical
  • 1 h 3 min typical time to resolve
  • 12 h 52 min longest major
BeganIncidentImpactLasted
LAX region outagecriticalongoing
Intermittent errors pushing images to Fly.io Registryno impact stated—
IPv6 egress issues on a subset of IAD hostsminor22 min
Emergency network maintenance on a subset of hosts in ORDminor14 min
Elevated Machine start failures in ARNminor1 h 1 min
Emergency maintenance in IADmajor38 min
Outbound IPv4 connectivity failures in ARN, JNB, and GRUminor2 h 9 min
Slow image pulls delaying Machine starts in IADminor1 h 28 min

Incidents per month

0 15 30 Dec 2025: 13 incidents (1 critical, 3 major, 7 minor, 2 no impact stated) · typical time to resolve 1 h 20 min Jan 2026: 18 incidents (1 critical, 2 major, 8 minor, 7 no impact stated) · typical time to resolve 2 h 23 min Feb 2026: 28 incidents (10 major, 14 minor, 4 no impact stated) · typical time to resolve 2 h 20 min Mar 2026: 20 incidents (2 critical, 7 major, 6 minor, 5 no impact stated) · typical time to resolve 1 h 20 min Apr 2026: 13 incidents (1 critical, 5 major, 5 minor, 2 no impact stated) · typical time to resolve 3 h 6 min May 2026: 29 incidents (1 critical, 11 major, 14 minor, 3 no impact stated) · typical time to resolve 1 h 39 min Jun 2026: 22 incidents (1 critical, 10 major, 9 minor, 2 no impact stated) · typical time to resolve 1 h 55 min Jul 2026: 17 incidents (2 critical, 4 major, 9 minor, 2 no impact stated) · typical time to resolve 1 h 17 min Aug 2026: 30 incidents (1 critical, 6 major, 14 minor, 9 no impact stated) · typical time to resolve 1 h 13 min Sep 2026: 26 incidents (2 critical, 16 major, 7 minor, 1 no impact stated) · typical time to resolve 1 h 21 min Oct 2026: 20 incidents (2 critical, 3 major, 9 minor, 6 no impact stated) · typical time to resolve 1 h 38 min Nov 2026: 7 incidents (1 critical, 1 major, 4 minor, 1 no impact stated) · typical time to resolve 38 min Dec 2025Jan 2026Feb Mar Apr May Jun Jul Aug Sep Oct Nov

critical major minor no impact stated

Components affected

ComponentIncidentsBar
Customer Applications2
AMS - Amsterdam, Netherlands1
DFW - Dallas, Texas (US)1
Deployments1
GRU - Sao Paulo, Brazil1
LAX - Los Angeles, California (US)1
SJC - San Jose, California (US)1
Sprites1

As Fly.io's status page reports its own incidents (scheduled maintenance left out), read every few hours since (evidence)

Incidents reported by Fly.io's subprocessorsCSV of incidents reported by vendors Fly.io lists · Atom feed of incidents reported by vendors Fly.io lists

116 reported incidents in the last 30 days, by 17 of the vendors Fly.io lists as subprocessors.

A subprocessor list names a company, not the service an incident touched. This does not show that Fly.io was involved.

DateCompanyIncidentImpactLasted
SnowflakeINC20000347 minor32 min
OpenAIUnable to start new Workspace Agent runs criticalongoing
OpenAIElevated errors affecting logins, sign-ups, and ChatGPT features minor8 min
SentryUS issues feed throwing intermittent errors minor51 min
ClickHouseProvisioning and scaling operations may take longer in AWS ap-northeast-1 Tokyo minor7 h 38 min
incident.ioDisruption to Slack incident channels and messages major4 h 24 min
SentryAccount emails not being delivered major42 min
AnthropicElevated errors on Fable 52 and Mythos 52 no impact stated1 min
SentryEU region replay ingestion latency minor48 min
RudderStackDelayed delivery to Snowflake Streaming destinations (AWS us-east-1) no impact stated12 h 4 min
HubSpotSome HubSpot tools may be unavailable for some users no impact stated51 min
MetronomeAlerts are delayed major1 h 31 min
OpenAIIncorrect cost data in Costs API exports no impact stated2 h 20 min
OpenAIElevated Errors On API minor42 min
PlainHelp Center errors no impact stated—
OpenAIElevated ChatGPT Conversation Errors minor52 min
DiscordConnectivity Issue w/ Discord's Homepage and Marketing Sites major1 min
LaunchDarklyEmail notifications are not being delivered minor26 min
PlainIntermittent API errors on write actions minor2 h 54 min
OpenAIElevated errors with image generation minor1 h 49 min
AnthropicDegraded performance for Claude Fable 5.1 minor26 min
SnowflakeINC20000337 minor2 h 5 min
Customer.ioCustomers are Unable to add new Email Sending Domains major30 min
SnowflakeINC20000336 minor3 h 20 min
OpenAIElevated error rates with some U.S. business Mastercards no impact stated3 days

And 91 more. All of them: CSV · Who is around them.

ChangesCSV of Fly.io's changes · Atom feed of Fly.io's changes

See the list as we read it on any date: Time machine

  1. Added subprocessor: Hivelocity evidence: subprocessor: Hivelocity list before and after: subprocessor: Hivelocity
  2. Added subprocessor: Zenlayer evidence: subprocessor: Zenlayer list before and after: subprocessor: Zenlayer
  3. Added subprocessor: Dropbox Sign evidence: subprocessor: Dropbox Sign list before and after: subprocessor: Dropbox Sign
  4. Added subprocessor: incident.io evidence: subprocessor: incident.io list before and after: subprocessor: incident.io
  5. Added subprocessor: Vultr evidence: subprocessor: Vultr list before and after: subprocessor: Vultr
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