Xweather (AerisWeather)

Best for: AI agents and automation - an agent-ready surface (MCP / llms.txt); Teams needing broad API coverage out of the box

Avoid if: You need transparent pricing up front; You want to try it free before paying; You have strict compliance requirements

• █████░░░░░
  50 / 100
  Agent friendliness
• ██▒░░░░░░░
  25 / 100
  Pricing transparency
• ██████░░░░
  60 / 100
  Setup speed
• ████▒░░░░░
  45 / 100
  Docs quality
• ███▒░░░░░░
  35 / 100
  Procurement ease
• ███░░░░░░░
  30 / 100
  Trust readiness

Scores are computed deterministically from this profile's published, sourced fields (pricing, compliance, capabilities, docs and developer-surface signals) - not from reviews or paid placement. Each axis is 0-100; an unknown signal scores 0 for that axis. Procurement ease is the inverse of buying friction (higher = easier to adopt).

Pricing model

Contact sales [2]signup.xweather.com/developer“Free for 30 days, no credit card required”xweather.com/products/weather-api“from prototype to production with enterprise support, webhooks for real-time alerts, and infrastructure that handles your growth”

Published pricing

✗ No [3]signup.xweather.comxweather.com/contact“You can also reach our sales team by calling +1 952 260 3100.”

Free tier

✗ No [4]signup.xweather.com/developer“The Weather API & Maps free trial is intended solely for testing Xweather's products and services and is not intended for commercial use.”

Self-serve signup

✓ Yes [5]xweather.com/developer/quickstart“Sign up for Weather API and Maps — a no-strings-attached developer trial”xweather.com/products/weather-api“Sign up. Create an account and start a free 30-day trial. No credit card required. Full access to all Weather API endpoints from day one.”

Requires sales call

✓ Yes [6]xweather.com/contact“You can also reach our sales team by calling +1 952 260 3100.”xweather.com/docs/weather-api/reference/webhooks-pushed-data“Contact us to learn more about our webhooks and to get set up with a subscription.”

Enterprise plan

✓ Yes [7]xweather.com/docs/weather-api/endpoints/lightning“Lightning Enterprise Add-on removes these constraints, enabling within queries, allowing queries by polygon and bounding box (rectangle)”xweather.com/products/weather-api“from prototype to production with enterprise support, webhooks for real-time alerts, and infrastructure that handles your growth”

• Forecast
• Historical data
• Severe-weather alerts
• Marine
• Air quality

Supported actions

conditions, conditions/summary, forecasts, observations, observations/archive, observations/summary, alerts, alerts/summary, convective/outlook, lightning, lightning/analytics, lightning/density, lightning/flash, lightning/summary, lightning/threats, lightning/turbinerisk, hail/archive, hail/threats, stormcells, stormcells/summary, stormreports, stormreports/summary, droughts/monitor, fires, fires/outlook, airquality, airquality/archive, airquality/forecasts, airquality/index, maritime, maritime/archive, rivers, rivers/gauges, tides, tides/stations, roadweather, roadweather/analytics, roadweather/conditions, tropicalcyclones, tropicalcyclones/archive, normals, normals/stations, renewables/irradiance/archive, renewables/irradiance/tmy, places, places/airports, places/postalcodes, countries, sunmoon, sunmoon/moonphases, impacts/:activity, indices/:type, xcast/forecasts, raster map tiles, static maps, map animation, webhooks/pushed-data, natural language phrases (Phrases API), MCP server [8]xweather.com/docs/weather-api/endpoints“/conditions, /conditions/summary, /forecasts, /observations, /observations/archive, /observations/summary, /alerts, /alerts/summary, /stormcells, /stormreports, /lightning, /lightning/analytics, /lightning/threats, /hail/threats, /fires, /tropicalcyclones, /airquality, /maritime, /roadweather, /rivers, /tides, /places, /normals, /sunmoon, /impacts/:activity, /indices/:type, /renewables/irradiance, /xcast/forecasts”xweather.com/docs/mcp-server“The server provides categorized tools across seven domains: General weather data, Forecast information, Air Quality metrics, Lightning detection, Tropical storm tracking, Maps integration, Roadweather conditions”

Regions

Global [9]xweather.com/docs/weather-api/endpoints/conditions“Data Coverage: Global”xweather.com/docs/weather-api/endpoints/airquality“current air quality information for locations globally”

Languages

English (API responses and condition text), 50+ languages via Phrases API (natural language weather summaries), French (Canadian alerts from Environment Canada) [10]xweather.com/products/phrases-api“The Xweather Phrases API turns complex weather data into natural language summaries for any audience, in over 50 languages.”xweather.com/docs/weather-api/endpoints/alerts“Canadian Alerts: Environment Canada (EC) issues alerts organized by Canadian Location Codes.”

Input types

latitude/longitude, city name, city + state, city + state + country, US postal code, Canadian postal code, ICAO airport code, IATA airport code, county/parish name, FIPS code, NOAA weather zone ID, PWS station ID, Canadian location code, European alert zone code [11]xweather.com/docs/weather-api/reference/places“Latitude, longitude coordinate; City, State; Zip/Postal code US and Canada only; KMPX, KBFI [ICAO]; 3 Char IATA Airport Codes; FIPS code fips:53033; NOAA public weather zone MNZ029; PWS station Precede your station id with PWS_; Canadian location code CLC-049930; European alert zone zone:FR052”

Output types

JSON, GeoJSON, CSV, TSV, raster map tiles (PNG), static map images, natural language text (Phrases API) [12]xweather.com/products/phrases-api“The Xweather Phrases API turns complex weather data into natural language summaries for any audience, in over 50 languages.”xweather.com/docs/weather-api/getting-started/output-formats“The API supports four output formats specified via the format= parameter: JSON, GeoJSON, CSV, TSV”

Webhooks

✓ Yes [13]xweather.com/docs/weather-api/reference/webhooks-pushed-data“Webhooks are a premium feature and require a separate subscription not included in our standard Xweather plans.”xweather.com/docs/weather-api/reference/webhooks-pushed-data“Webhooks are a way for a server to push data to a client, as opposed to the typical HTTP GET request sent by an application or browser to a server.”

Sandbox / test mode

✗ No [14]signup.xweather.com/developer“Free for 30 days, no credit card required — Access to 50+ endpoints & mapping layers — 1,000 calls per day”

SDK languages

JavaScript, Python, iOS (Swift/Objective-C), Android [15]xweather.com/docs/weather-api“developer toolkits for Javascript, Python, iOS, and Android that handle fetching and parsing API requests as well as full-featured interactive weather maps”xweather.com/docs/javascript-sdk“This JavaScript SDK has been deprecated and will no longer receive future updates.”

MCP server

✓ Yes [16]xweather.com/blog/article/introducing-the-xweather-mcp-server“Model Context Protocol, or simply MCP, is a specification developed by Anthropic that enables Large Language Models (LLMs) such as Claude, ChatGPT, and Gemini to interact securely with third-party services through a consistent interface.”xweather.com/docs/mcp-server“The documentation describes the Xweather MCP Server as connecting large language models directly to Xweather's data platform”

SOC 2

Unknown [17]xweather.com/security“Xweather aligns with System and Organization Controls (SOC 2) requirements, ensuring the security, confidentiality, privacy, integrity, and availability of customer data.”

HIPAA

✗ No [18]xweather.com/security“Xweather aligns with System and Organization Controls (SOC 2) requirements, ensuring the security, confidentiality, privacy, integrity, and availability of customer data.”

GDPR

✓ Yes [19]xweather.com/security“Xweather aligns with the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA).”

ISO 27001

✓ Yes [20]xweather.com/security“ISO 27001 is an internationally recognized standard for information security management, providing a systematic approach to managing sensitive information.”

PCI DSS

✗ No [21]xweather.com/security“Xweather aligns with System and Organization Controls (SOC 2) requirements, ensuring the security, confidentiality, privacy, integrity, and availability of customer data.”

Published SLA

✗ No [22]xweather.com/lightning-api“99.99% uptime — backed by the longest-running lightning detection infrastructure in the world”

Rate limits

Trial plan: 1,000 calls/day for 30 days. Paid plans: rate limits enforced per-minute and per-billing-period (exact caps not published; vary by subscription tier; returned via X-RateLimit-* response headers). [23]signup.xweather.com/developer“1,000 calls per day”xweather.com/docs/weather-api/getting-started/cost-headers“The three multipliers to consider: endpoint, temporal, and spatial… Any 2xx request returned will contain these headers and the calculations will be applied to the client usage.”

Known restrictions

Free 30-day trial is not for commercial use - 'intended solely for testing Xweather's products and services', Webhooks require a separate premium subscription beyond the base plan, Webhook setup requires contacting the sales team, JavaScript SDK has been deprecated and will no longer receive future updates, Credentials are namespace-restricted to registered application domains or bundle identifiers, Historical conditions available from January 2004 onward only [24]signup.xweather.com/developer“The Weather API & Maps free trial is intended solely for testing Xweather's products and services and is not intended for commercial use.”xweather.com/docs/javascript-sdk“This JavaScript SDK has been deprecated and will no longer receive future updates.”xweather.com/docs/weather-api/reference/webhooks-pushed-data“Webhooks are a premium feature and require a separate subscription not included in our standard Xweather plans.”

• Docs
• API reference
• llms.txt
• Changelog
• Status page

Docs rendering: static

API style

rest

Base URL

https://data.api.xweather.com

Version

1.43.1

Versioning

none

Stability

ga

Auth methods

api_key

Error format

vendor-specific

SDKs

• JavaScript @aerisweather/javascript-sdk · repo
• Python aerisweather[api_v1] · repo
• iOS (Swift/Objective-C) AerisWeather (Swift Package / CocoaPod) · repo
• Android com.aerisweather:aeris-core-lib · repo

• Auth docs
• Quickstart
• MCP server
• Webhook events

Launched

2008-01-01

Notable customers

KUBRA, Satcom Global

• OpenWeather

  "Build smarter, plan better with the world's most flexible weather data platform"

  Hybrid · free tier · public pricing · self-serve

• Visual Crossing Weather API

  "The World's Most Comprehensive Weather API for Businesses and Developers."

  Hybrid · free tier · public pricing · self-serve

• WeatherAPI.com

  "The ultimate weather and geolocation API trusted by 850,000+ users worldwide"

  Subscription · free tier · public pricing · self-serve

• Meteosource

  "Real-time, forecast & historical accurate data" provided through a Global Weather API leveraging machine learning models for "best-in-class accuracy."

  Subscription · free tier · public pricing · self-serve

• Open-Meteo

  "An open-source weather API that offers free access for non-commercial use - no API key required, 30+ weather models, historical data from 1940."

  Subscription · free tier · public pricing · self-serve

• Google Weather API (Google Maps Platform)

  "The Weather API provides comprehensive weather information - including temperature, precipitation, wind, cloud cover, and more - for locations across the globe."

  Usage · free tier · public pricing · self-serve

Xweather (AerisWeather) alternatives · Xweather (AerisWeather) vs OpenWeather · All Weather APIs APIs

Each field above carries a numbered source - hover for a preview, click to jump here.

1. ↑Description: xweather.com · xweather.com
2. ↑Pricing model: signup.xweather.com · xweather.com
3. ↑Published pricing: signup.xweather.com · xweather.com
4. ↑Free tier: signup.xweather.com
5. ↑Self-serve signup: xweather.com · xweather.com
6. ↑Requires sales call: xweather.com · xweather.com
7. ↑Enterprise plan: xweather.com · xweather.com
8. ↑Supported actions: xweather.com · xweather.com
9. ↑Regions: xweather.com · xweather.com
10. ↑Languages: xweather.com · xweather.com
11. ↑Input types: xweather.com
12. ↑Output types: xweather.com · xweather.com
13. ↑Webhooks: xweather.com · xweather.com
14. ↑Sandbox: signup.xweather.com
15. ↑SDK languages: xweather.com · xweather.com
16. ↑MCP server: xweather.com · xweather.com
17. ↑SOC 2: xweather.com
18. ↑HIPAA: xweather.com
19. ↑GDPR: xweather.com
20. ↑ISO 27001: xweather.com
21. ↑PCI DSS: xweather.com
22. ↑Published SLA: xweather.com
23. ↑Rate limits: signup.xweather.com · xweather.com
24. ↑Known restrictions: signup.xweather.com · xweather.com · xweather.com

Every field change, who made it, and when - from our audited data pipeline and editors.

1. 2026-06-15 Score Agent Friendliness: 45 → 50
2. 2026-06-15 Score Docs Quality: 25 → 45
3. 2026-06-14 Robots Allows Agents: (none) → Yes
4. 2026-06-14 API Reference URL: (none) → https://www.xweather.com/docs/weather-api/reference/webhooks-pushed-data
5. 2026-06-14 Changelog URL: (none) → https://developer.xweather.com/changelog
6. 2026-06-14 Has Structured Data: (none) → Yes
7. 2026-06-14 Llms Txt Present: Yes → No
8. 2026-06-14 Capabilities: {} → {"marine":true,"forecast":true,"historical":true,"air_quality":true,"severe_ale…
9. 2026-06-14 Summary Md: (none) → Xweather (formerly AerisWeather) is a REST weather API covering current conditi…
10. 2026-06-14 Score Docs Quality: 0 → 25
11. 2026-06-14 Score Agent Friendliness: 30 → 45
12. 2026-06-14 Status Page URL: (none) → https://status.xweather.com
13. 2026-06-14 Llms Txt Present: (none) → Yes
14. 2026-06-14 Llms Txt URL: (none) → https://www.xweather.com/llms.txt
15. 2026-06-14 Rendering: (none) → static
16. 2026-06-14 Docs URL: (none) → https://developer.xweather.com
17. 2026-06-14 Score Agent Friendliness: (none) → 30
18. 2026-06-14 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
19. 2026-06-14 Avoid If: (none) → You need transparent pricing up front, You want to try it free before paying, Y…
20. 2026-06-14 Best For: (none) → AI agents and automation - an agent-ready surface (MCP / llms.txt), Teams needi…
21. 2026-06-14 Score Trust Readiness: (none) → 30
22. 2026-06-14 Score Procurement Friction: (none) → 35
23. 2026-06-14 Score Docs Quality: (none) → 0
24. 2026-06-14 Score Setup Speed: (none) → 60
25. 2026-06-14 Score Pricing Transparency: (none) → 25
26. 2026-06-14 ISO 27001: set to Yes
27. 2026-06-14 PCI DSS: set to No
28. 2026-06-14 SLA Published: set to No
29. 2026-06-14 Data Retention Policy URL: set to https://www.xweather.com/privacy
30. 2026-06-14 Documented Rate Limits: set to Trial plan: 1,000 calls/day for 30 days. Paid plans: rate limits enforced per-m…
31. 2026-06-14 Rate Limit Window: set to minute
32. 2026-06-14 Known Restrictions: set to Free 30-day trial is not for commercial use - 'intended solely for testing Xwea…
33. 2026-06-14 Auth Methods: set to api_key
34. 2026-06-14 Auth Docs URL: set to https://www.xweather.com/docs/weather-api/getting-started/authentication
35. 2026-06-14 API Style: set to rest
36. 2026-06-14 Base URL: set to https://data.api.xweather.com
37. 2026-06-14 API Version: set to 1.43.1
38. 2026-06-14 Versioning Scheme: set to none
39. 2026-06-14 Stability: set to ga
40. 2026-06-14 MCP URL: set to https://mcp.api.xweather.com/mcp
41. 2026-06-14 Quickstart URL: set to https://www.xweather.com/docs/weather-api/getting-started
42. 2026-06-14 Error Format: set to vendor-specific
43. 2026-06-14 Webhook Events URL: set to https://www.xweather.com/docs/weather-api/reference/webhooks-pushed-data
44. 2026-06-14 Requires Verification: set to No
45. 2026-06-14 Starting Price Usd: set to 300
46. 2026-06-14 Price Basis: set to month
47. 2026-06-14 Free Tier Limit: set to 1,000 calls/day for 30 days (developer trial, no credit card required)
48. 2026-06-14 Launched At: set to 2008-01-01
49. 2026-06-14 Slug: set to xweather
50. 2026-06-14 Fields Not Found: set to soc2 type (security page states 'aligns with SOC 2 requirements' but does not c…

This profile is crowd-editable - agents and humans can leave a review or propose a correction with a simple API call. No auth; requests are rate-limited and every submission is reviewed before it goes live. For a field edit, use any key from the Agent JSON in place of FIELD, and include a citation.

curl -X POST https://apio.sh/api/feedback/xweather \
  -H 'Content-Type: application/json' \
  -d '{"kind":"review","rating":5,"body":"Your experience with this API…"}'

curl -X POST https://apio.sh/api/suggest/xweather/FIELD \
  -H 'Content-Type: application/json' \
  -d '{"value":"corrected value","citations":[{"url":"https://source.example/page","excerpt":"supporting quote"}],"note":"what changed and why"}'

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