Delta Airlines website screenshot

Delta Airlines

Delta Airlines (alias of Delta Air Lines) is a major U.S. airline providing scheduled air transportation for passengers and cargo throughout the United States and across the world. This repository is an alias of the canonical delta-air-lines profile and points to the same partner developer portal at apiportal.delta.com.

Delta Airlines publishes 1 API on the APIs.io network. Tagged areas include Air Travel, Airlines, Aviation, Booking, and Flights.

Delta Airlines’ developer surface includes engineering blog and 5 more developer resources.

27.4/100 emerging ▲ 8.7 Agent 19/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
1 APIs
Air TravelAirlinesAviationBookingFlightsNDCTravel

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 27.4/100 · emerging
Contract Quality 10.8 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 5.9 / 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/delta-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 1

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

Delta API Suite

The Delta API Suite is a partner-facing collection of APIs covering flight search, flight offers and order management, customer journey events, and operational data. Access is r...

GraphQL 1

GraphQL schemas published by this provider.

Delta Airlines GraphQL Schema

This GraphQL schema represents the conceptual data model for Delta Air Lines' flight and travel APIs, covering the full passenger journey from flight search and booking through ...

GRAPHQL

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Delta Airlines Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

Security Posture 1

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

Delta Airlines Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Access & Security 1

Authentication, authorization, and security posture

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: delta-airlines
name: Delta Airlines
url: https://raw.githubusercontent.com/api-evangelist/delta-airlines/refs/heads/main/apis.yml
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/delta-airlines.png
tags:
- Air Travel
- Airlines
- Aviation
- Booking
- Flights
- NDC
- Travel
created: '2024-12-03'
modified: '2026-04-28'
specificationVersion: '0.19'
kind: company
description: Delta Airlines (alias of Delta Air Lines) is a major U.S. airline providing scheduled air transportation for
  passengers and cargo throughout the United States and across the world. This repository is an alias of the canonical delta-air-lines
  profile and points to the same partner developer portal at apiportal.delta.com.
apis:
- aid: delta-airlines:delta-api-suite
  name: Delta API Suite
  description: The Delta API Suite is a partner-facing collection of APIs covering flight search, flight offers and order
    management, customer journey events, and operational data. Access is restricted to approved partners through Delta's developer
    portal.
  humanURL: https://apiportal.delta.com
  tags:
  - Flights
  - NDC
  - Offers
  - Orders
  - Travel
  properties:
  - type: Documentation
    url: https://apiportal.delta.com
  - type: Signup
    url: https://apiportal.delta.com/publish
  - type: Alias
    url: https://github.com/api-evangelist/delta-air-lines
  - url: graphql/delta-airlines-graphql.md
    type: GraphQL
common:
- type: DomainSecurity
  url: security/delta-airlines-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/delta-air-lines
- type: Website
  url: https://www.delta.com
- type: DeveloperPortal
  url: https://apiportal.delta.com
- type: Canonical
  url: https://github.com/api-evangelist/delta-air-lines
- url: https://news.delta.com/rss.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com