/vendor/southwest/AgentRouting.json or
/vendor/southwest/AgentContext.json directly.
southwest.com
Overview
Does southwest.com support MCP?
No confirmed MCP support was found for southwest.com as of 2026-06-28.
What agentic protocols does southwest.com support?
As of 2026-06-28, southwest.com has confirmed support for proprietary.
Is southwest.com's API publicly accessible or partner-gated?
Partner only.
Does southwest.com explicitly prohibit automated access?
Yes. southwest.com's terms of service explicitly prohibit automated or scraper access to the public website without prior written permission.
Is southwest.com agent-ready?
Partial. southwest.com supports some agentic workflows but requires a human handoff for certain operations — see the protocols and summary sections for details.
Protocols
No evidence found that Southwest Airlines (southwest.com) has adopted or is piloting the A2A (Agent2Agent) protocol. Google's original April 2025 A2A launch named 50+ partners — Atlassian, Box, Salesforce, SAP, ServiceNow, Workday, PayPal, and others — none of which are airlines or travel operators. No Southwest-specific A2A documentation, announcement, or partner listing surfaced in either search.
No evidence that Southwest Airlines (southwest.com) is an ACP launch partner or participant. Named launch partners identified in public ACP announcements include URBN (Anthropologie, Free People, Urban Outfitters), Coach, Kate Spade, Revolve, and Ashley Furniture — all retail/fashion merchants, not airline or travel vendors. ACP's current publicly confirmed scope centers on physical goods checkout via Stripe; no travel or airline vertical participants have been identified. This is not_found rather than confirmed_absent because no Southwest-specific statement or deprecation notice exists — Southwest simply does not appear in any ACP partner list or documentation reviewed.
No evidence of Southwest Airlines participating in AP2 (Agent Payments Protocol) as a launch partner, contributor, or adopter. The 60-organization coalition announced alongside Google's FIDO Alliance donation (April 2026) is composed entirely of payment processors, financial networks, and enterprise technology firms — Mastercard, PayPal, Adyen, American Express, Worldpay, Coinbase, Etsy, Intuit, Salesforce, and peers — with no airline or travel company among the named participants. No southwest.com-specific AP2 documentation, integration, or statement was found.
Two searches found no connection between southwest.com (Southwest Airlines) and the MPP (Machine Payments Protocol). Named launch partners and documented MPP-compatible services include Cloudflare, Privy, Tempo's own Payments Directory, and various API/developer-tool vendors — none of which are Southwest Airlines. Southwest has not published any MPP integration, adoption notice, or developer documentation referencing this protocol.
No evidence that southwest.com has implemented or piloted NLWeb. Named NLWeb launch partners and early adopters include O'Reilly, Inception, Condé Nast, Redfin, Eventbrite, and Priceline — Southwest Airlines appears in none of these lists. No /ask or /mcp endpoints are publicly documented for southwest.com.
No evidence found that Southwest Airlines (southwest.com) has implemented or announced UCP integration. Southwest is well-known for intentionally avoiding third-party distribution channels and external booking APIs; a 2019 developer blog post and a RapidAPI listing confirm there is no official public booking API at all, only unofficial scrapers. The UCP ecosystem research returned only general protocol documentation, generic travel-industry examples, and references to Google/Shopify as the co-developers — no Southwest-specific mention. Inability to perform a live /.well-known/ucp endpoint check prevents ruling out a silent integration, but no vendor-specific evidence of UCP adoption was found.
WebMCP is an experimental browser-layer protocol announced at Google I/O 2026 (currently in Chrome 149 origin trial), backed by six unnamed industry launch partners per ChatForest's review of the announcement. Searches across Google I/O 2026 announcements, the PhocusWire travel-industry WebMCP coverage, and the Chrome Developers blog surfaced no mention of Southwest Airlines or southwest.com in any WebMCP context. No vendor-specific adoption evidence exists for southwest.com; this is not_found rather than confirmed_absent because Southwest has made no public statement either way.
No evidence that Southwest Airlines (southwest.com) has any involvement with the x402 stablecoin micropayment protocol. The confirmed launch partners for x402 are developer-infrastructure entities — Cloudflare (co-founding the x402 Foundation) and Solana (as a settlement layer) — with no travel or airline vendors present. Southwest is a consumer airline whose payment stack is built on conventional card-based rails, making x402 adoption structurally implausible at this time.
No evidence of Southwest Airlines (southwest.com) having built or published an app on the OpenAI ChatGPT Apps platform. The OpenAI Apps SDK launch pilot partners are Booking.com, Canva, Coursera, Figma, Expedia, Spotify, and Zillow — Southwest is not among them. The only ChatGPT surface found referencing Southwest Airlines is a user-created GPT ('Southwest Sage'), which is not an official vendor integration.
Corporate/TMC booking and content access: Southwest Partner Services (SPS) is a proprietary API/Direct Connect interface allowing travel management companies and corporate booking tools to search, book, price, and manage Southwest Airlines flights with access to full Southwest inventory including promotional fares not available via GDS. SWABIZ is a separate, web-based corporate booking tool for direct self-service corporate travel booking — not a programmable API but a distinct proprietary channel. SPS is the machine-to-machine integration surface; SWABIZ is the human-facing proprietary channel.
Southwest Partner Services (SPS) is documented on southwest.com/corporate-travel as Southwest's own proprietary API/Direct Connect technology; enrollment requires a business relationship with Southwest and fees vary by partner — no self-serve public signup or open docs were found. SWABIZ (southwest.com/business) is Southwest's proprietary corporate web booking tool, separate from SPS and not externally programmable. Both surfaces are confirmed via Southwest's own corporate travel pages, but API-level technical documentation is not publicly available.
Direct HTTP checks against southwest.com timed out (connection blocked), and targeted web searches found no evidence of southwest.com publishing llms.txt, agents.md, /.well-known/agent, or any similar self-declaration file. The site:southwest.com query returned only generic third-party articles on these standards, with no southwest.com-specific results. Because the domain actively blocked direct fetches, the embedded-link check could not be completed, pushing the result toward unable_to_verify — however, no secondary search evidence of any such file existing was found either, making not_found the more accurate characterization given no positive signal whatsoever.
Summary
Has agent interface: partial
Monitor Southwest Partner Services (SPS) enrollment requirements via southwest.com/corporate-travel for any API documentation becoming publicly accessible, and re-check all agentic protocols (MCP, NLWeb, UCP, WebMCP) on a quarterly basis given Southwest's historically closed distribution posture and the rapid pace of protocol adoption across travel vendors.
AgentContext
Verified discrepancies
Vendor claim: Southwest Airlines markets itself as having no cancellation fees on any fare type, and its long-standing brand identity implied that cancelling a flight always results in at least a reusable flight credit. The current fare structure page and help center describe four fare tiers (Basic, Choice, Choice Preferred, Choice Extra) with differentiated cancellation outcomes.
What actually happens: Effective May 28, 2025, the lowest-tier Basic fare (formerly Wanna Get Away) changed enforcement so that a cancellation more than 24 hours after booking results in complete forfeiture of all funds — no flight credit, no refund, no transferable value. This directly contradicts the widely understood Southwest convention that cancellation always yields at least a reusable credit. Additionally, in 2024 the U.S. DOT completed a historic enforcement action finding that Southwest had systematically failed to provide timely refunds and required remedies during its December 2022 operational meltdown, resulting in a $140 million consent order and a mandatory $75 voucher obligation for future controllable delays or cancellations causing 3+ hour arrival delays.
Agent guidance: Before cancelling any Southwest booking, an agent must explicitly identify the fare tier. If the fare is Basic, cancellation after the 24-hour booking window results in total fund forfeiture — do not proceed without explicit user confirmation that they accept zero recovery. For Southwest-initiated cancellations or controllable delays causing 3+ hour late arrivals, the agent should proactively request a cash refund to the original payment method (not merely accept a flight credit offer), as DOT rules and the Southwest consent order entitle the passenger to a full cash refund in those cases.
- DOT enforcement order requires Southwest to issue $75 transferable vouchers to passengers affected by controllable delays/cancellations reaching their destination 3+ hours late — the result of Southwest failing to honor its stated obligations during the December 2022 meltdown.
- Multiple travel guides confirm that the new Basic fare introduced May 28, 2025 forfeits all funds on cancellation (outside the 24-hour window), reversing the prior policy under which all Southwest fare cancellations yielded at minimum a reusable flight credit.
- Industry coverage confirms Southwest's 2025 overhaul stripped the 'always get a credit' guarantee from the Basic fare tier, with most passengers unaware of the change.
Human handoff required for
Cancel a Basic fare booking where the 24-hour risk-free cancellation window has already elapsed — agent must stop, confirm the user understands the full fare value will be permanently forfeited with no credit, refund, or transferable value, and obtain explicit user authorization before proceeding.
- Southwest's May 28, 2025 fare restructuring introduced a Basic fare tier under which cancellation more than 24 hours after booking results in complete forfeiture of all funds, reversing the historically universal Southwest policy of always issuing at least a reusable flight credit.
- Multiple travel guides and Southwest's own updated fare descriptions confirm the Basic fare forfeiture rule, representing a documented gap between Southwest's longstanding brand promise and current enforcement on its lowest fare tier.
Accept a flight credit or travel voucher as full resolution when Southwest cancels a flight or causes a controllable delay resulting in an arrival 3+ hours late — agent must instead proactively request a cash refund to the original payment method, as the DOT consent order and federal refund rules entitle the passenger to full cash recovery, not merely a credit.
- A 2024 U.S. DOT enforcement action resulting in a $140 million consent order confirmed Southwest systematically failed to provide timely refunds following its December 2022 meltdown, and now mandates $75 vouchers for controllable delays causing 3+ hour late arrivals in addition to cash refund entitlements.
- DOT rules require airlines to provide prompt cash refunds when a carrier cancels or significantly changes a flight, and Southwest's consent order specifically reinforces this obligation for controllable disruptions.
Book or cancel any Southwest fare when the fare tier displayed in the agent's data is ambiguous or not explicitly labeled — agent must stop and verify the exact fare tier (Basic, Choice, Choice Preferred, or Choice Extra) before taking action, because the cancellation consequence ranges from total forfeiture to a full cash refund depending on tier, and acting on an incorrect assumption could cause irreversible financial harm.
- Southwest's 2025 fare restructuring created four distinct tiers with materially different cancellation outcomes, and the Basic fare's forfeiture rule represents a hidden risk for any agent that assumes the old universal credit-back policy still applies.
- Southwest's own updated help center and fare comparison pages describe differentiated cancellation outcomes per tier, confirming that tier identification is a prerequisite to safe automated action.
Five categories were searched for southwest.com: (1) discrepancy_pricing — no finding; searches confirmed Southwest's historically transparent pricing model, the May 2025 baggage fee introduction as a disclosed policy change, and the absence of any documented gap between advertised and checkout prices; (2) discrepancy_availability — no finding; searches found extensive coverage of Southwest's 2024–2025 restructuring but no verified evidence of ghost inventory or bait-and-switch fare availability at checkout; (3) discrepancy_identity — no finding; no evidence of merchant-of-record ambiguity or liability deflection on direct southwest.com bookings; (4) discrepancy_policy — FINDING PRESENT; two verified issues were documented: a 2024 DOT $140 million consent order over systematic refund failures, and a May 2025 Basic fare change that silently introduced total fund forfeiture on cancellation, reversing Southwest's historically universal credit-back policy; (5) discrepancy_undisclosed_constraint — no finding; new fare and seating restrictions were confirmed as disclosed at the fare-selection stage during booking. All five category searches returned substantive results; no scans were blocked or missing.