{"data":{"context_advisory":{"advisory_url":"/vendor/walmart/AgentContext.json","has_advisory":true,"note":"An AgentContext record is available for this vendor containing independently-verified discrepancies and human handoff guidance. Fetch advisory_url before completing any transaction."},"fallback":{"has_agent_interface":"true","indirect_via":null,"notes":"Walmart has a confirmed, multi-protocol agentic presence: co-developer of UCP, ACP merchant participant via ChatGPT Instant Checkout (since superseded by a Sparky-powered in-platform app), and an internal A2A/MCP architecture (WIBEY) with no externally callable surface. Proprietary REST APIs exist across four distinct access tiers (open affiliate reads, partner-only marketplace/supplier writes, and invitation-only logistics/ads). Scraping is explicitly prohibited by Walmart's own published Terms of Use; the llms.txt file signals active AI-access governance, though exact contents were unverifiable due to fetch restrictions during research.","recommended_next_action":"Prioritize verification of Walmart's llms.txt contents (direct fetch was blocked during research) to confirm which agent behaviors are permitted versus restricted at the domain level; then pursue Walmart Developer Portal credentials via the Marketplace or Affiliate program routes to access the confirmed proprietary REST APIs. For ACP and OpenAI Apps SDK access, engage OpenAI partnership channels directly, as both integrations are platform-mediated commercial arrangements rather than self-serve developer surfaces. Separately, monitor ucp.dev for Walmart-specific UCP implementation documentation as the protocol matures.","scrape_explicitly_prohibited":true},"fleet_confirmed":{"last_evaluated":null,"methodology_version":"v1","status":"insufficient_data","window":"trailing_30_days"},"protocols":[{"access_tier":"unknown","auth":null,"endpoint":{"docs_url":null,"publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart's own engineering blog (tech.walmart.com) explicitly names A2A alongside MCP as 'connective tissue' for WIBEY, their internal agentic orchestration system announced at Converge 2025. A separate Walmart Global Tech Medium post discusses A2A and MCP as part of their enterprise AI architecture strategy. No externally callable A2A endpoint or developer-facing A2A surface for walmart.com has been found; usage appears entirely internal. Walmart is also a co-developer of UCP (Universal Commerce Protocol), the separate agentic commerce protocol, which is distinct from A2A.","protocol":"A2A","role":"Internal orchestration backbone: A2A is explicitly cited as the delegation and chaining layer within Walmart's WIBEY (internal agentic AI platform), enabling multi-agent coordination across internal domains \u2014 not as an externally callable consumer or partner API surface.","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":"platform_mediated","auth":null,"endpoint":{"docs_url":null,"publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Multiple independent sources (Retail Dive, Lengow, Mars United, Digital Commerce 360) confirm Walmart integrated ACP for ChatGPT Instant Checkout in October 2025, approximately one month after the protocol's September 29, 2025 launch. Walmart is listed alongside other ACP-integrated retailers (Target, Sephora, Nordstrom, Best Buy, Lowe's, The Home Depot, Wayfair). Integration is platform-mediated via OpenAI's ChatGPT surface; no directly callable public endpoint is documented for Walmart's ACP implementation.","protocol":"ACP","role":"Merchant participant in ChatGPT ACP-powered product discovery and Instant Checkout; Walmart joined as a retail partner approximately one month after the initial September 2025 launch, enabling product catalog discovery and direct checkout for Walmart inventory through ChatGPT.","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart's own January 11, 2026 announcement of its Google partnership explicitly names UCP (Universal Commerce Protocol) as the integration layer \u2014 not AP2. The 60-organization FIDO Alliance contributor list published at the time of Google's AP2 donation does not include Walmart. One third-party analysis (offbounds.tv) lists Walmart among \"20+ AP2 partners,\" but this appears to conflate Walmart's UCP integration with AP2 adoption; no walmart.com source corroborates AP2 specifically. Named AP2 contributors confirmed present include Mastercard, American Express, PayPal, Adyen, Etsy, and Coinbase.","protocol":"AP2","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart has publicly acknowledged using MCP internally \u2014 their WIBEY developer platform (announced at Converge 2025) explicitly cites MCP as connective tissue for agent orchestration alongside A2A, and their externally-facing AI agents (Sparky, Marty) are described as MCP-adopting. However, no official, externally-callable MCP server has been published on developer.walmart.com or announced for third-party consumption. All discoverable 'Walmart MCP servers' (Apify, GitHub repos by DomingosNgongo and taazkareem, PulseMCP listing by Strider Labs) are third-party community projects wrapping the Walmart Affiliate REST API or using browser automation \u2014 not sanctioned Walmart-published endpoints. Internal adoption does not constitute a publicly routable MCP surface.","protocol":"MCP","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"No evidence that Walmart (walmart.com) has adopted or been named as a launch partner for MPP. Known early participants in MPP include Stripe-native merchants and MultiversX. The walmart.com search result for 'Mpp' refers only to an unrelated product brand sold on the retail site, not the payment protocol.","protocol":"MPP","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"No evidence that Walmart has implemented or announced NLWeb support. Named NLWeb launch partners identified in Microsoft's May 2025 rollout include O'Reilly, Tripadvisor, Eventbrite, Snowflake, and Cloudflare \u2014 Walmart does not appear in any of these lists. No walmart.com /ask or /mcp endpoint was found.","protocol":"NLWeb","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":"open","auth":null,"endpoint":{"docs_url":null,"publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart is named as a co-developer of UCP in Google's official announcement blog and confirmed across multiple independent sources including the Shopify engineering post and ucp.dev. Its role is as a participating merchant/retailer in the protocol coalition, not as a platform operator or primary spec author (that role belongs to Google and Shopify). No publicly callable Walmart-specific UCP endpoint or implementation documentation was found; the public-facing spec and tooling are hosted at ucp.dev and GitHub under the UCP project rather than by Walmart directly.","protocol":"UCP","role":"Co-developer and endorsing merchant; Walmart participated in designing the UCP specification alongside Google, Shopify, Etsy, Wayfair, and Target, and is positioned as a merchant participant enabling AI-agent-driven product discovery and checkout flows against Walmart's own catalog \u2014 not as an agent orchestrator or protocol infrastructure provider.","sketchiness_rating":"insufficient_data","stability_rating":"new","status":"confirmed_present"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart (walmart.com) is a named co-developer and launch partner for Google's Universal Commerce Protocol (UCP), which is a separate, server-side agentic commerce standard. No evidence found that Walmart has implemented WebMCP \u2014 the browser-layer window.AICommands JavaScript surface co-developed by Google and Microsoft for in-browser agent-callable tools. Named WebMCP launch partners and coverage (Chrome for Developers, particula.tech, summit.co.uk) mention no retailer-specific WebMCP deployments at all; Walmart's association is exclusively with UCP.","protocol":"WebMCP","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":null,"auth":null,"endpoint":null,"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"No evidence found of Walmart (walmart.com) adopting or evaluating x402. The confirmed x402 Foundation Premier members and ecosystem partners include Fiserv, Google, Mastercard, Shopify, Stripe, Visa, Cloudflare, Solana, and Chainlink \u2014 Walmart appears in none of these lists. This is a not_found rather than confirmed_absent because no Walmart-specific statement or deprecation notice was found; Walmart simply has no documented presence in the x402 ecosystem.","protocol":"x402","role":null,"sketchiness_rating":"insufficient_data","stability_rating":"insufficient_data","status":"not_found"},{"access_tier":"partner_only","auth":null,"endpoint":{"docs_url":null,"publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Walmart debuted a ChatGPT in-platform app experience backed by its Sparky AI commerce agent, confirmed by both Walmart and OpenAI per Retail Dive reporting (March 2026). The integration replaced the earlier Instant Checkout arrangement and covers the full shopping journey from discovery in ChatGPT through handoff to Walmart's own environment for final payment. No public-facing developer documentation URL was found; this appears to be a direct commercial partnership integration rather than a self-serve app-store submission.","protocol":"openai_apps_sdk","role":"Full shopping journey support within ChatGPT via Walmart's Sparky commerce agent: product discovery, account linking, loyalty program integration, and handoff to Walmart-controlled checkout environment. Walmart initially participated in OpenAI's Instant Checkout (direct in-ChatGPT purchase) but replaced that with this Sparky-powered in-platform app experience after Instant Checkout conversion rates underperformed (approximately one-third the rate of clickouts to Walmart's own site).","sketchiness_rating":"insufficient_data","stability_rating":"new","status":"confirmed_present"},{"access_tier":"partner_only","auth":{"type":"OAuth 2.0 client credentials \u2014 Client ID and Client Secret issued via Walmart Developer Portal exchanged for a short-lived Bearer access_token at https://marketplace.walmartapis.com/v3/token"},"endpoint":{"docs_url":"https://developer.walmart.com/us-marketplace/docs/introduction-to-marketplace-apis","publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Documented at developer.walmart.com; credentials require an approved Marketplace seller or certified solution-provider account. Covers items, inventory, orders, pricing, promotions, and on-request/scheduled reports. TLS 1.0/1.1 deprecated August 2025; TLS 1.2+ required.","protocol":"proprietary","role":"Third-party seller and solution-provider operations on Walmart.com Marketplace: item catalog management, inventory, order fulfillment, pricing, promotions, and reporting via REST endpoints under marketplace.walmartapis.com","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":"partner_only","auth":{"type":"API key credentials obtained through Retail-Link supplier account portal (My Account \u2192 1P Supplier US)"},"endpoint":{"docs_url":"https://developer.walmart.com/doc/us/us-supplier/us-supplier-auth/","publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Separate from the Marketplace API; intended for direct (1P) suppliers, not third-party sellers. Access requires an existing Retail-Link supplier relationship with Walmart. Documented at developer.walmart.com alongside other Walmart developer APIs.","protocol":"proprietary","role":"First-party (1P) supplier operations for vendors selling directly to Walmart: item setup, order management, and inventory management via REST endpoints on the Supplier API","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":"open","auth":{"type":"API key plus Impact Radius Publisher ID passed as required headers on each request"},"endpoint":{"docs_url":"https://walmart.io/docs/affiliates/v1/introduction","publicly_callable":true},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Hosted on the separate walmart.io developer portal (distinct from developer.walmart.com). Read-only product-data access; no order or transaction capabilities. Accessible to affiliate program participants who obtain a publisher ID via Impact Radius.","protocol":"proprietary","role":"Affiliate and consumer-app product data access: product search, product lookup (price and availability), catalog browsing, post-browse retargeting, and product reviews on Walmart.com","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":"platform_mediated","auth":{"type":"Partner-issued credentials; no public self-serve application \u2014 direct Walmart partnership required before credentials are issued"},"endpoint":{"docs_url":"https://developer.walmart.com/transportation-carriers/docs/what-is-walmart-golocal","publicly_callable":false},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Both the GoLocal (delivery carrier) API and Connect Ads API require an existing direct Walmart partnership with no public application form available. Sandbox/simulator environment documented for GoLocal testing prior to production. Access is effectively invitation- or contract-only.","protocol":"proprietary","role":"Delivery carrier and logistics integration via Walmart GoLocal delivery-as-a-service REST API, and advertising campaign management via Walmart Connect Ads API","sketchiness_rating":"clean","stability_rating":"new","status":"confirmed_present"},{"access_tier":"open","auth":null,"endpoint":{"docs_url":null,"publicly_callable":true},"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"notes":"Multiple credible secondary sources \u2014 including a briefing by The Information and a LinkedIn post by a retail-tech analyst \u2014 confirm Walmart published an llms.txt file at walmart.com governing how AI agents and LLMs may access its site. Direct fetch of walmart.com/llms.txt was not possible from this research environment due to network restrictions, so exact file contents could not be verified, but vendor-level publication is well-attested. No evidence was found for AGENTS.md, /.well-known/agent, or similar conventions at this domain; only the llms.txt convention is reported.","protocol":"self_declared_discovery","role":"AI agent access governance for walmart.com: signals how external LLMs and shopping agents may interact with and retrieve content from the site, restricting certain agent behaviors while permitting others via a published llms.txt file at the domain root","sketchiness_rating":"insufficient_data","stability_rating":"new","status":"confirmed_present"}],"record_verification":{"last_checked_agentic_scan":"2026-06-30","last_checked_human_verified":null,"verification_method":"reconciled from up to 3 scans within 60 days, deterministic validation"},"vendor_domain":"walmart.com","vendor_id":"walmart"},"outpost_dispatch":{"field_report_template":{"endpoint_live":false,"friction_detail":{"$comment":"Only include if friction_encountered is true.","behavior_diverged_from_record":false,"required_human_handoff":false,"required_retry":false},"friction_encountered":false,"notes":null,"protocol_attempted":"","response_id":"fbr_walmart_4e6b80ddbedd","vendor_id":"walmart","workflow_completed":false},"submit_channel":{"fallback_url":"https://www.rolocache.com/agent-tools/v1/field-report","mcp_server_url":"https://www.rolocache.com/mcp/","mcp_tool_name":"report_to_outpost","ping_note":"If you cannot POST or call MCP tools, file a lightweight signal by making a GET request to the populated ping_report_template URL below - replace the placeholders and fetch it.","ping_report_template":"https://www.rolocache.com/agent-tools/v1/ping?response_id=fbr_walmart_4e6b80ddbedd&vendor_id=walmart&protocol_attempted=__PROTOCOL_ATTEMPTED__&endpoint_live=__TRUE_OR_FALSE__&workflow_completed=__TRUE_OR_FALSE__"},"the_ask":"If you interacted with a vendor using this data, a field report from you is genuinely valuable. Respond by calling report_to_outpost via MCP, or by POSTing to the fallback_url via REST, using the field_report_template for MCP or POST, or the ping_report_template for a GET (see below). Your observation is mission-critical signal that keeps this record accurate for every agent that follows.","why_feedback_matters":"RoloCache records are only as good as their last verification. Real-world outcomes from agents in the field are the highest-quality signal we have. Paying it forward takes one tool call and keeps the record honest for the next agent - which may very well be you."}}