specification: API Commons Plans
specificationVersion: '0.1'
schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/Plans
provider: Tomorrow.io
providerId: tomorrow-io
created: '2026-05-24'
modified: '2026-05-24'
reconciled: false
tags:
  - Weather
  - Forecast
  - Climate
  - Risk
description: Plans and metered API capacity for the Tomorrow.io weather intelligence platform. Pricing is published for the Free tier; Basic, Professional, and Enterprise tiers are quoted by Tomorrow.io sales based on call volume, data layer entitlements, and SLA requirements.
sources:
  - https://www.tomorrow.io/weather-api/
  - https://support.tomorrow.io/hc/en-us/articles/23554984091156-Tomorrow-io-Pricing-Overview
  - https://support.tomorrow.io/hc/en-us/articles/20273728362644-Free-API-Plan-Rate-Limits
plans:
  - id: tomorrow-io-free
    name: Free
    type: free
    description: Self-serve developer plan with core weather layers, 5-day forecast horizon, and 24h historical access. Includes 1 monitored location and 1 alert.
    entries:
      - label: API calls per day
        name: calls_per_day
        type: included
        metric: requests
        limit: 500
        timeFrame: day
        unit: 1
        price: '0.00'
      - label: API calls per hour
        name: calls_per_hour
        type: included
        metric: requests
        limit: 25
        timeFrame: hour
        unit: 1
        price: '0.00'
      - label: API calls per second
        name: calls_per_second
        type: included
        metric: requests
        limit: 3
        timeFrame: second
        unit: 1
        price: '0.00'
      - label: Forecast horizon
        name: forecast_horizon_days
        type: included
        metric: days
        limit: 5
        timeFrame: usage
      - label: Historical access
        name: historical_window_hours
        type: included
        metric: hours
        limit: 24
        timeFrame: usage
      - label: Monitored locations
        name: locations
        type: included
        metric: locations
        limit: 1
        timeFrame: usage
      - label: Active alerts
        name: alerts
        type: included
        metric: alerts
        limit: 1
        timeFrame: usage
  - id: tomorrow-io-basic
    name: Basic
    type: paid
    description: Entry paid tier with expanded forecast, historical, and call volumes. Pricing quoted by sales.
    entries:
      - label: API calls
        name: calls
        type: metered
        metric: requests
        price: quote
  - id: tomorrow-io-professional
    name: Professional
    type: paid
    description: Higher call volumes, premium data layers (air quality, pollen, solar, land, lightning), polygon and polyline geometries, minutely resolution. Pricing quoted by sales.
    entries:
      - label: API calls
        name: calls
        type: metered
        metric: requests
        price: quote
      - label: Premium data layers
        name: premium_layers
        type: addon
        metric: layers
        price: quote
  - id: tomorrow-io-enterprise
    name: Enterprise
    type: paid
    description: 14-day forecast, custom SLAs, premium layers, advanced historical, dedicated support, and rate-limit headers exposed for programmatic monitoring. Pricing quoted by sales.
    entries:
      - label: API calls
        name: calls
        type: metered
        metric: requests
        price: quote
      - label: SLA
        name: sla
        type: included
        metric: percent
        limit: 99.9
        timeFrame: usage
      - label: Dedicated support
        name: support
        type: included
discounts: []
notes:
  - All plans authenticate with the apikey query parameter.
  - Enterprise customers receive rate-limit headers on every response for programmatic monitoring; lower tiers do not.