specification: API Commons Plans
specificationVersion: '0.1'
schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/Plans
provider: Fly.io
providerId: fly-io
created: '2026-05-04'
# Provenance stamped 2026-08-11: this artifact was written by the API Evangelist
# bulk sweep dated 2026-05-04, not harvested from the provider. See roadmap#35.
method: generated
modified: '2026-05-04'
reconciled: true
tags:
  - Hosting
  - Edge Compute
  - VMs
description: Fly.io pay-as-you-go for Machines (per-second), Volumes, IPs, transfer.
sources:
  - https://fly.io/docs/about/pricing/
plans:
  - id: fly-shared-cpu
    name: Shared CPU Machines
    type: usage-based
    description: shared-cpu-1x to 8x with 256MB-16GB RAM. Per-second billing while running.
    entries:
      - label: Per machine-second (varies)
        name: machine_sec
        type: metered
        metric: second
        limit: -1
        timeFrame: usage
        geo: global
        unit: 1
        price: varies
        userMultiplied: false
    elements:
      - name: Per-second granularity
      - name: Multiple sizes
      - name: 256 MB - 16 GB RAM
  - id: fly-performance-cpu
    name: Performance CPU Machines
    type: usage-based
    description: performance-1x to 16x with 2GB-128GB RAM.
    entries:
      - label: Per machine-second (varies)
        name: machine_sec
        type: metered
        metric: second
        limit: -1
        timeFrame: usage
        geo: global
        unit: 1
        price: varies
        userMultiplied: false
    elements:
      - name: Higher compute than shared
      - name: 2-128 GB RAM
  - id: fly-stopped-machines
    name: Stopped Machines (rootfs)
    type: metered
    description: $0.15/GB rootfs per 30 days when stopped.
    entries:
      - label: Per GB-30days
        name: rootfs
        type: metered
        metric: GB-30days
        limit: -1
        timeFrame: month
        geo: global
        unit: 1
        price: '0.15'
        userMultiplied: false
    elements:
      - name: Storage-only billing while stopped
  - id: fly-volumes
    name: Fly Volumes
    type: metered
    description: $0.15/GB/month persistent local storage.
    entries:
      - label: Per GB-month
        name: volume
        type: metered
        metric: GB-month
        limit: -1
        timeFrame: month
        geo: global
        unit: 1
        price: '0.15'
        userMultiplied: false
    elements:
      - name: Local persistent storage
      - name: Billed regardless of machine state
  - id: fly-snapshots
    name: Volume Snapshots
    type: metered
    description: $0.08/GB/month, first 10 GB free.
    entries:
      - label: Per GB-month
        name: snapshot
        type: metered
        metric: GB-month
        limit: -1
        timeFrame: month
        geo: global
        unit: 1
        price: '0.08'
        userMultiplied: false
    elements:
      - name: Incremental daily snapshots
      - name: 5-day default retention
      - name: First 10 GB free
  - id: fly-data-transfer
    name: Data Transfer
    type: metered
    description: $0.02-$0.12/GB egress (region-dependent). Inbound free.
    entries:
      - label: Egress per GB
        name: egress
        type: metered
        metric: GB
        limit: -1
        timeFrame: usage
        geo: global
        unit: 1
        price: 0.02-0.12
        userMultiplied: false
    elements:
      - name: Inbound free
      - name: Region-grouped pricing
  - id: fly-reservation-blocks
    name: Machine Reservation Blocks
    type: subscription
    description: $36-$3,600/yr (Shared) or $144-$14,400/yr (Performance). 40% discount on compute.
    entries:
      - label: Annual block (varies)
        name: block
        type: subscription
        metric: year
        limit: -1
        timeFrame: year
        geo: global
        unit: 1
        price: varies
        userMultiplied: false
    elements:
      - name: 40% discount on compute
      - name: Monthly credits non-rollover
  - id: fly-fks
    name: Fly Kubernetes (FKS)
    type: subscription
    description: $75/month per cluster + compute and storage.
    entries:
      - label: Per cluster
        name: cluster
        type: subscription
        metric: month
        limit: -1
        timeFrame: month
        geo: global
        unit: 1
        price: '75.00'
        userMultiplied: false
    elements:
      - name: Managed Kubernetes
      - name: Plus underlying compute/storage cost
x-canonical:
  generated: '2026-10-08'
  vocabulary: all/0-working/economics/plans-canonical.yml
  models:
  - metered
  - subscription
  units:
  - compute
  - data
  - period
  plans:
  - name: Shared CPU Machines
    access: other
    model: metered
    model_how: stated
    units:
    - compute
    periods:
    - per-use
  - name: Performance CPU Machines
    access: other
    model: metered
    model_how: stated
    units:
    - compute
    periods:
    - per-use
  - name: Stopped Machines (rootfs)
    access: other
    model: metered
    model_how: stated
    units:
    - data
    periods:
    - month
  - name: Fly Volumes
    access: other
    model: metered
    model_how: stated
    units:
    - data
    periods:
    - month
  - name: Volume Snapshots
    access: other
    model: metered
    model_how: stated
    units:
    - data
    periods:
    - month
  - name: Data Transfer
    access: other
    model: metered
    model_how: stated
    units:
    - data
    periods:
    - per-use
  - name: Machine Reservation Blocks
    access: other
    model: subscription
    model_how: stated
    units:
    - period
    periods:
    - year
  - name: Fly Kubernetes (FKS)
    access: other
    model: subscription
    model_how: stated
    units:
    - period
    periods:
    - month