How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

US Travel & Aviation

Grouped by Kin Score band and ranked by composite score within each, with the separate agent-readiness score alongside. Click the scores on any row to open the full facet and dimension breakdown behind both numbers, and click again to close it.

search

22 providers · 4 standards and regulatory bodies listed separately below

Exemplar 1 66.5+ Reference-quality API operations across every facet.
1
Oracle Hospitality screenshot
Oracle Hospitality Exemplar agent ready Hospitality Technology

Oracle Hospitality is Oracle Corporation's hotel and food-and-beverage technology line, built on the 2014 acquisition of MICROS Systems and anchored by OPERA...

Composite
74.0
Agent
32.5
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 74.0/100 · exemplar
Contract Quality 14.2 / 25
Developer Ergonomics 14.2 / 20
0 / 0
Operational Transparency 10.6 / 13
0 / 0
Discoverability 7.0 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 6.8 / 15
Agent readiness — 33/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
Documented Reversibility documented 2.4 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples 7.0 / 7
Rate-Limit Signaling documented 3.5 / 7
Typed Event Surface derived 1.5 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Developing 3 39.3 – 54.2 Real signal across most facets with visible, nameable gaps.
3
American Express Global Business Travel screenshot
American Express Global Business Travel Developing agent ready Corporate Travel

American Express Global Business Travel (Amex GBT, NYSE GBTG, headquartered in New York) is the largest business-to-business travel platform in the world, op...

Composite
49.8
Agent
44.4
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 49.8/100 · developing
Contract Quality 14.1 / 25
Developer Ergonomics 11.8 / 20
0 / 0
Operational Transparency 5.5 / 13
0 / 0
Discoverability 7.9 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 6.0 / 15
Agent readiness — 44/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility documented 2.4 / 6
MCP Server 0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples partial 3.5 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 6.0 / 6
Protected Resource Metadata 5.0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
5
Viator screenshot
Viator Developing agent native OTAs & Metasearch

Viator is a Tripadvisor company and the largest online marketplace for tours, activities and travel experiences, headquartered in the United States and listi...

Composite
48.2
Agent
45.9
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 48.2/100 · developing
Contract Quality 14.2 / 25
Developer Ergonomics 12.5 / 20
0 / 0
Operational Transparency 4.1 / 13
0 / 0
Discoverability 7.1 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 3.7 / 15
Agent readiness — 46/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 6.0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency documented 4.5 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples 7.0 / 7
Rate-Limit Signaling 7.0 / 7
Typed Event Surface 6 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
7
Airbnb screenshot
Airbnb Developing agent ready OTAs & Metasearch

Airbnb is the world's leading home-sharing and short-term rental marketplace, connecting hosts who offer accommodations and experiences with guests worldwide...

Composite
44.4
Agent
29.6
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 44.4/100 · developing
Contract Quality 17.6 / 25
Developer Ergonomics 5.2 / 20
0 / 0
Operational Transparency 3.4 / 13
0 / 0
Discoverability 6.1 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 6.0 / 15
Agent readiness — 30/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 6.0 / 6
MCP Server 0 / 12
Machine-Readable Auth negotiable 7.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples documented 1.8 / 7
Rate-Limit Signaling derived 0.9 / 7
Typed Event Surface derived 1.5 / 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
Delegated User Identity documented 3.0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Thin 6 26.2 – 39.2 Limited machine-readable signal beyond documentation a human can read.
8
Tripadvisor screenshot
Tripadvisor Thin agent aware OTAs & Metasearch

Tripadvisor is the world's largest travel guidance platform, helping hundreds of millions of travelers each month find places to stay, things to do, and rest...

Composite
37.5
Agent
23.7
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 37.5/100 · thin
Contract Quality 13.0 / 25
Developer Ergonomics 6.7 / 20
0 / 0
Operational Transparency 1.4 / 13
0 / 0
Discoverability 7.3 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 3.1 / 15
Agent readiness — 24/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
9
Sabre screenshot
Sabre Thin agent ready GDS & Distribution

Sabre Corporation is a leading technology provider for the global travel industry, operating one of the world's largest travel marketplaces through its Globa...

Composite
35.0
Agent
44.1
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 35.0/100 · thin
Contract Quality 15.2 / 25
Developer Ergonomics 8.6 / 20
0 / 0
Operational Transparency 1.4 / 13
0 / 0
Discoverability 6.0 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 2.5 / 15
Agent readiness — 44/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility documented 2.4 / 6
MCP Server 12.0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples partial 3.5 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 5.0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
10
Avis Budget Group screenshot
Avis Budget Group Thin agent ready Car Rental

Avis Budget Group (NASDAQ: CAR) is a global provider of vehicle rental and mobility solutions operating the Avis, Budget, Budget Truck, Payless and Zipcar br...

Composite
33.8
Agent
39.7
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 33.8/100 · thin
Contract Quality 11.7 / 25
Developer Ergonomics 5.1 / 20
0 / 0
Operational Transparency 1.4 / 13
0 / 0
Discoverability 7.4 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 5.1 / 15
Agent readiness — 40/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
Documented Reversibility documented 2.4 / 6
MCP Server 0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples 7.0 / 7
Rate-Limit Signaling documented 3.5 / 7
Typed Event Surface 0 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 6.0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
11
United Airlines screenshot
United Airlines Thin agent aware Airlines

United Airlines is a major American airline headquartered in Chicago, Illinois. It operates one of the largest route networks in the world with hubs in Chica...

Composite
33.1
Agent
22.5
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 33.1/100 · thin
Contract Quality 14.2 / 25
Developer Ergonomics 6.2 / 20
0 / 0
Operational Transparency 0.7 / 13
0 / 0
Discoverability 6.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 4.0 / 15
Agent readiness — 23/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility documented 2.4 / 6
MCP Server 0 / 12
Machine-Readable Auth negotiable 7.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
12
Navan screenshot
Navan Thin agent ready Corporate Travel

Navan (formerly TripActions, rebranded to Navan in February 2022) is a corporate travel, expense, and corporate card management platform. Its public develope...

Composite
31.1
Agent
33.0
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 31.1/100 · thin
Contract Quality 13.3 / 25
Developer Ergonomics 6.4 / 20
0 / 0
Operational Transparency 1.4 / 13
0 / 0
Discoverability 6.8 / 10
Regulatory · Payments 3.6 / 15
Agent readiness — 33/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server 12.0 / 12
Machine-Readable Auth negotiable 7.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 5.0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
13
Cloudbeds screenshot
Cloudbeds Thin agent aware Hospitality Technology

Cloudbeds is a San Diego-based hospitality management platform for small and mid-size independent hotels, hostels, and groups, offering PMS, channel manager,...

Composite
30.1
Agent
21.3
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 30.1/100 · thin
Contract Quality 15.0 / 25
Developer Ergonomics 3.8 / 20
0 / 0
Operational Transparency 1.0 / 13
0 / 0
Discoverability 6.4 / 10
Regulatory · Payments 3.6 / 15
Agent readiness — 21/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples documented 1.8 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity documented 3.0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Emerging 11 11 – 26.1 More than an index entry but still mostly links rather than artifacts.
14
American Airlines screenshot
American Airlines Emerging agent aware Airlines

American Airlines is one of the world's largest airlines, operating an extensive domestic and international route network. The company's Runway developer exp...

Composite
26.1
Agent
15.4
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 26.1/100 · emerging
Contract Quality 13.1 / 25
Developer Ergonomics 4.0 / 20
0 / 0
Operational Transparency 1.0 / 13
0 / 0
Discoverability 6.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 1.6 / 15
Agent readiness — 15/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
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 derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
15
Hilton screenshot
Hilton Emerging agent aware Hotel Groups

Hilton is one of the largest and fastest-growing hospitality companies in the world, with a portfolio of hotel brands across luxury, full-service, focused-se...

Composite
25.0
Agent
20.7
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 25.0/100 · emerging
Contract Quality 12.9 / 25
Developer Ergonomics 4.3 / 20
0 / 0
Operational Transparency 0.7 / 13
0 / 0
Discoverability 6.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 1.8 / 15
Agent readiness — 21/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 6 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 9 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling derived 0.9 / 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 4 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
16
Enterprise Mobility screenshot
Enterprise Mobility Emerging agent aware Car Rental

Enterprise Mobility is the Clayton, Missouri parent of Enterprise Rent-A-Car, National Car Rental and Alamo Rent a Car, and the largest car rental provider i...

Composite
24.1
Agent
5.4
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 24.1/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 7.6 / 20
0 / 0
Operational Transparency 0.0 / 13
0 / 0
Discoverability 6.3 / 10
Regulatory · Insurance 6.3 / 15
Agent readiness — 5/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics documented 4.0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
17
JetBlue screenshot
JetBlue Emerging agent aware Airlines

JetBlue Airways (IATA code B6) is a New York-headquartered low-cost United States carrier flying across the U.S., Caribbean, Latin America and Europe, with h...

Composite
21.9
Agent
15.1
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 21.9/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 5.2 / 20
0 / 0
Operational Transparency 1.7 / 13
0 / 0
Discoverability 4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 6.0 / 15
Agent readiness — 15/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 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
Delegated User Identity 6.0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 6 / 6
Agentic Commerce Well-Known Document 0 / 5
18
Wyndham Hotels & Resorts screenshot
Wyndham Hotels & Resorts Emerging agent aware Hotel Groups

Wyndham Hotels & Resorts, Inc. (NYSE: WH) is the world's largest hotel franchising company by number of properties, with over 8,300 affiliated hotels and app...

Composite
20.9
Agent
22.3
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 20.9/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 5.7 / 20
0 / 0
Operational Transparency 0.3 / 13
0 / 0
Discoverability 7.2 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 5.1 / 15
Agent readiness — 22/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server platform 3.0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics documented 4.0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 6.0 / 6
Protected Resource Metadata 5.0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
19
Kayak screenshot
Kayak Emerging human only OTAs & Metasearch

KAYAK is a free travel metasearch engine that searches hundreds of travel sites at once so travelers can compare and find the lowest available prices on flig...

Composite
20.5
Agent
0.0
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 20.5/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 1.4 / 20
0 / 0
Operational Transparency 2.1 / 13
0 / 0
Discoverability 5.6 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 3.5 / 15
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 0 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
20
Booking Holdings screenshot
Booking Holdings Emerging agent aware OTAs & Metasearch

Booking Holdings is the world's leading provider of online travel and related services, operating a portfolio of brands including Booking.com, Priceline, Ago...

Composite
20.3
Agent
27.2
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 20.3/100 · emerging
Contract Quality 5.2 / 25
Developer Ergonomics 2.4 / 20
0 / 0
Operational Transparency 1.7 / 13
0 / 0
Discoverability 7.1 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 2.5 / 15
Agent readiness — 27/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 6.0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7.0 / 7
Rate-Limit Signaling derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
21
Southwest Airlines screenshot
Southwest Airlines Emerging human only 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 comp...

Composite
19.1
Agent
0.6
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 19.1/100 · emerging
Contract Quality 6.7 / 25
Developer Ergonomics 1.9 / 20
0 / 0
Operational Transparency 1.0 / 13
0 / 0
Discoverability 5.4 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 2.5 / 15
Agent readiness — 1/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
22
Amtrak screenshot
Amtrak Emerging human only Rail & Ground

Amtrak (the National Railroad Passenger Corporation) is the federally chartered operator of the United States national intercity passenger rail network, head...

Composite
18.7
Agent
3.4
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 18.7/100 · emerging
Contract Quality 1.8 / 25
Developer Ergonomics 2.7 / 20
0 / 0
Operational Transparency 0.3 / 13
0 / 0
Discoverability 7.4 / 10
Regulatory · Government & Public Sector 3.7 / 15
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
24
Choice Hotels screenshot
Choice Hotels Emerging human only Hotel Groups

Choice Hotels International (NYSE: CHH) is a United States hotel franchisor headquartered in North Bethesda, Maryland, operating 7,575 hotels with 656,825 ro...

Composite
11.8
Agent
0.0
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 11.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 1.4 / 20
0 / 0
Operational Transparency 1.4 / 13
0 / 0
Discoverability 5.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 2.4 / 15
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 0 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
25
Delta Airlines screenshot
Delta Airlines Emerging human only 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 State...

Composite
11.2
Agent
0.6
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 11.2/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.4 / 20
0 / 0
Operational Transparency 0.7 / 13
0 / 0
Discoverability 5.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 0.9 / 15
Agent readiness — 1/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 derived 0.9 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Minimal 1 0 – 10.9 Index entry only; little beyond a description and a link.
26
Hertz screenshot
Hertz Minimal human only Car Rental

The Hertz Corporation is a global vehicle rental company operating the Hertz, Dollar and Thrifty brands from airport and neighbourhood locations in roughly 1...

Composite
10.3
Agent
0.0
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 10.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.4 / 20
0 / 0
Operational Transparency 0.0 / 13
0 / 0
Discoverability 4.8 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 2.1 / 15
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 0 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Industry Bodies & Standards 2 Trade bodies and standards organizations — they define how the sector exchanges data rather than selling an API.
6
OpenTravel Alliance screenshot
OpenTravel Alliance Developing agent ready Industry Bodies & Standards

The OpenTravel Alliance is a volunteer, non-profit travel technology standards body headquartered in Melbourne, Florida, United States. Since 1999 it has pub...

Composite
45.7
Agent
40.3
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 45.7/100 · developing
Contract Quality 13.4 / 25
Developer Ergonomics 10.8 / 20
0 / 0
Operational Transparency 4.1 / 13
0 / 0
Discoverability 6.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 4.9 / 15
Agent readiness — 40/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server platform 3.0 / 12
Machine-Readable Auth served 9.0 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples documented 1.8 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface derived 1.5 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 6.0 / 6
Protected Resource Metadata 5.0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
23
HEDNA screenshot
HEDNA Emerging human only Industry Bodies & Standards

HEDNA (Hotel Electronic Distribution Network Association) is a not-for-profit trade association founded in 1991 and headquartered in Forest Hill, Maryland, U...

Composite
12.1
Agent
0.0
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 12.1/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 0.5 / 20
0 / 0
Operational Transparency 0.0 / 13
0 / 0
Discoverability 5.5 / 10
Regulatory · Horizontal (data, software, accessibility, platform) 1.5 / 15
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
Documented Reversibility 0 / 6
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 0 / 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
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
Regulators 2 Supervisory and safety authorities, not commercial providers in this market.
2
Federal Aviation Administration screenshot
Federal Aviation Administration Developing agent aware Regulators

The Federal Aviation Administration (FAA) is the United States civil aviation authority, an operating administration of the U.S. Department of Transportation...

Composite
53.7
Agent
28.2
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 53.7/100 · developing
Contract Quality 12.2 / 25
Developer Ergonomics 11.3 / 20
0 / 0
Operational Transparency 7.9 / 13
0 / 0
Discoverability 7.3 / 10
Regulatory · Government & Public Sector 4.6 / 15
Agent readiness — 28/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics derived 1.0 / 8
Request/Response Examples partial 3.5 / 7
Rate-Limit Signaling documented 3.5 / 7
Typed Event Surface 6 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5
4
U.S. Department of Transportation screenshot
U.S. Department of Transportation Developing agent ready Regulators

The U.S. Department of Transportation (DOT) is the federal transportation regulator for the United States, the deepest travel market in the world. In aviatio...

Composite
49.5
Agent
30.8
Kin Score Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0
Composite quality — 49.5/100 · developing
Contract Quality 13.7 / 25
Developer Ergonomics 11.8 / 20
0 / 0
Operational Transparency 5.8 / 13
0 / 0
Discoverability 8.9 / 10
Regulatory · Government & Public Sector 4.6 / 15
Agent readiness — 31/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract derived 2.5 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth bearer 3.5 / 10
Idempotency 0 / 9
Stable Error Semantics 8.0 / 8
Request/Response Examples partial 3.5 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills derived 1.3 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Well-Known Document 0 / 5