Southwest Airlines website screenshot

Southwest Airlines

Southwest Airlines is one of the world's most profitable airlines and the largest domestic air carrier in the United States by number of passengers. The company provides scheduled air transportation in the United States and near-international markets, known for its low fares, no baggage fees policy, and customer service. Southwest Airlines is a Fortune 500 company headquartered in Dallas, Texas.

Southwest Airlines publishes 3 APIs on the APIs.io network. Tagged areas include Fortune 500, Airlines, Aviation, and Travel.

The Southwest Airlines catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

🌐 Visit website 📡 Source on GitHub
41.5/100 thin ▬ flat Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessEnterprise
3 APIs
Fortune 500AirlinesAviationTravel

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 41.5/100 · thin
Contract Quality 18.5 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 3.4 / 13
Governance 8.3 / 12
Discoverability 5.6 / 10
Agent readiness — 19/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/southwest-airlines: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

Southwest Airlines Flight API

The Southwest Airlines internal flight booking API powers the southwest.com website for searching and booking flights. It provides flight availability, pricing, schedules, and a...

Southwest Airlines Rapid Rewards API

The Rapid Rewards loyalty program API enables management of points balances, redemption, and tier status for Southwest Airlines frequent fliers.

Southwest Airlines In-Flight Network API

The Southwest Airlines in-flight network provides a JSON API available at getconnected.southwestwifi.com/current.json while onboard the aircraft. It delivers real-time flight in...

GraphQL 1

GraphQL schemas published by this provider.

Southwest Airlines GraphQL Schema

This directory contains a conceptual GraphQL schema for Southwest Airlines covering the airline's core flight, booking, loyalty, and ancillary service domains.

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Southwest Airlines Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Southwest Airlines Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Southwest Airlines Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Southwest Airlines Context

8 classes · 16 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Southwest Airlines API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Southwest Airlines Flight

12 properties

JSON SCHEMA

Southwest Airlines Reservation

7 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Southwest Airlines Flight Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Southwest Airlines Flight Example

10 fields

EXAMPLE

Southwest Airlines Reservation Example

7 fields

EXAMPLE

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Southwest Airlines Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Southwest Airlines Vulnerability Disclosure

security.txt · contact published

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Southwest Airlines has banned robots from flights, a policy ...

2026-05-25

Southwest Airlines Co. News and Press Releases

2026-05-25

Southwest Airlines recently changed their baggage policy ...

2026-05-25

Southwest Airlines Transforms Customer Experience with ...

2026-05-25

Southwest uses AI to modernize management software

2026-05-25

Resources

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

JSONLDContext
JSONLDContext
 Vocabulary
Vocabulary

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Company 3

The organization behind the API

Website
Website
 Investor Relations
Investor Relations
 LinkedIn
LinkedIn

Other 2

Properties that don't map to a standard resource type

X
X
 Open Source
Open Source

Source (apis.yml)

apis.yml Raw ↑ 
aid: southwest-airlines
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/southwest-airlines.png
name: Southwest Airlines
description: Southwest Airlines is one of the world's most profitable airlines and the largest domestic air carrier in the
  United States by number of passengers. The company provides scheduled air transportation in the United States and near-international
  markets, known for its low fares, no baggage fees policy, and customer service. Southwest Airlines is a Fortune 500 company
  headquartered in Dallas, Texas.
url: https://raw.githubusercontent.com/api-evangelist/southwest-airlines/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-05-02'
specificationVersion: '0.19'
tags:
- Fortune 500
- Airlines
- Aviation
- Travel
apis:
- aid: southwest-airlines:southwest-flight-api
  name: Southwest Airlines Flight API
  description: The Southwest Airlines internal flight booking API powers the southwest.com website for searching and booking
    flights. It provides flight availability, pricing, schedules, and air booking shopping capabilities. Third-party flight
    data aggregators also provide API access to Southwest flight schedules and status information.
  humanURL: https://www.southwest.com/
  baseURL: https://www.southwest.com/api
  tags:
  - Airlines
  - Flight Booking
  - Flight Search
  - Travel
  properties:
  - type: Website
    url: https://www.southwest.com/
  - type: Documentation
    url: https://www.southwest.com/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/southwest-airlines/refs/heads/main/json-schema/southwest-airlines-flight-schema.json
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/southwest-airlines/refs/heads/main/json-schema/southwest-airlines-reservation-schema.json
  - url: graphql/southwest-airlines-graphql.md
    type: GraphQL
- aid: southwest-airlines:southwest-rapid-rewards-api
  name: Southwest Airlines Rapid Rewards API
  description: The Rapid Rewards loyalty program API enables management of points balances, redemption, and tier status for
    Southwest Airlines frequent fliers.
  humanURL: https://www.southwest.com/rapid-rewards/
  tags:
  - Loyalty
  - Rewards
  - Airlines
  properties:
  - type: Website
    url: https://www.southwest.com/rapid-rewards/
- aid: southwest-airlines:southwest-inflight-api
  name: Southwest Airlines In-Flight Network API
  description: The Southwest Airlines in-flight network provides a JSON API available at getconnected.southwestwifi.com/current.json
    while onboard the aircraft. It delivers real-time flight information including speed, altitude, position, weather, and
    flight status to connected passengers.
  humanURL: https://getconnected.southwestwifi.com/
  baseURL: https://getconnected.southwestwifi.com
  tags:
  - In-Flight
  - Airlines
  - Flight Status
  - Real-Time
  properties:
  - type: Documentation
    url: https://apievangelist.com/2016/10/06/your-southwest-airlines-flight-has-an-api/
common:
- type: VulnerabilityDisclosure
  url: security/southwest-airlines-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/southwest-airlines-domain-security.yml
- type: Website
  url: https://www.southwest.com
- type: Investor Relations
  url: https://ir.southwest.com/
- type: GitHubOrganization
  url: https://github.com/SouthwestAir
- type: LinkedIn
  url: https://www.linkedin.com/company/southwest-airlines
- type: X
  url: https://twitter.com/SouthwestAir
- type: Open Source
  url: https://github.com/SouthwestAir/.github
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/southwest-airlines/refs/heads/main/json-ld/southwest-airlines-context.jsonld
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/southwest-airlines/refs/heads/main/vocabulary/southwest-airlines-vocabulary.yml
maintainers:
- FN: API Evangelist
  email: info@apievangelist.com