{"id":9412,"date":"2025-09-17T13:00:32","date_gmt":"2025-09-17T13:00:32","guid":{"rendered":"https:\/\/icobench.com\/fr\/?p=9412"},"modified":"2025-09-17T14:23:07","modified_gmt":"2025-09-17T14:23:07","slug":"google-ap2-paiements-ia-cartes-stablecoins","status":"publish","type":"post","link":"https:\/\/icobench.com\/fr\/news\/google-ap2-paiements-ia-cartes-stablecoins\/","title":{"rendered":"Google lance un protocole de paiements IA prenant en charge les cartes et les stablecoins"},"content":{"rendered":"<p>Google d\u00e9voile <strong>AP2<\/strong>, un protocole ouvert pens\u00e9 pour les agents d\u2019IA. L\u2019objectif est clair : permettre des paiements automatiques, fiables et tra\u00e7ables. Le syst\u00e8me accepte les <strong>cartes<\/strong> et les <strong>stablecoins<\/strong>, afin d\u2019unifier finance traditionnelle et rails crypto dans un m\u00eame cadre.<\/p>\n<h2><span id=\"ap2_le_rulebook_des_paiements_entre_agents\">AP2, le \u201crulebook\u201d des paiements entre agents<\/span><\/h2>\n<p><a href=\"https:\/\/cloud.google.com\/blog\/products\/ai-machine-learning\/announcing-agents-to-payments-ap2-protocol?hl=en\" target=\"_blank\" rel=\"noopener noreferrer\">AP2<\/a> d\u00e9finit un langage commun entre <strong>agents, marchands et prestataires de paiement<\/strong>. Il fixe des r\u00e8gles d\u2019autorisation, d\u2019authenticit\u00e9 et de responsabilit\u00e9 adapt\u00e9es aux achats initi\u00e9s par l\u2019IA. Jusqu\u2019ici, les syst\u00e8mes supposaient l\u2019utilisateur derri\u00e8re chaque clic. D\u00e9sormais, l\u2019agent peut agir dans un p\u00e9rim\u00e8tre consenti et prouv\u00e9.<\/p>\n<p>Le protocole s\u2019appuie sur l\u2019\u00e9cosyst\u00e8me ouvert lanc\u00e9 au printemps autour d\u2019A2A et de MCP. Il arrive avec le soutien de plus de soixante organisations\u2009: r\u00e9seaux de carte, PSP, fintechs, plateformes crypto et \u00e9diteurs. Ce front commun vise l\u2019<strong>interop\u00e9rabilit\u00e9<\/strong> et la <strong>s\u00e9curit\u00e9<\/strong> d\u00e8s la conception. Ainsi, un m\u00eame agent pourra payer chez diff\u00e9rents marchands, sans recoder chaque int\u00e9gration.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"fr\" dir=\"ltr\">\ud83d\udea8 Google lance un protocole de paiements IA open-source prenant en charge les cartes et les stablecoins.<\/p>\n<p>D\u00e9velopp\u00e9 en collaboration avec Coinbase, la Fondation Ethereum, Salesforce, AmEx et d'autres.<\/p>\n<p>Un nouveau syst\u00e8me de paiement qui vise \u00e0 faciliter l'envoi et la r\u00e9ception\u2026 <a href=\"https:\/\/t.co\/TwU4DZo35Y\" target=\"_blank\" rel=\"noopener noreferrer\">pic.twitter.com\/TwU4DZo35Y<\/a><\/p>\n<p>\u2014 Goku \ud83d\uddde (@Crypto__Goku) <a href=\"https:\/\/twitter.com\/Crypto__Goku\/status\/1967945721589498222?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener noreferrer\">September 16, 2025<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<h2><span id=\"cartes_stablecoins_et_x402_comment_lia_regle_la_note\">Cartes, stablecoins et x402 : comment l\u2019IA r\u00e8gle la note<\/span><\/h2>\n<p>AP2 est agnostique c\u00f4t\u00e9 moyens de paiement. Il prend en charge les <strong>cartes de cr\u00e9dit et de d\u00e9bit<\/strong>, mais aussi les <a href=\"https:\/\/icobench.com\/fr\/news\/usat-musd-vers-saturation-stablecoins-usd\/\" rel=\"\"><strong>stablecoins<\/strong><\/a> adoss\u00e9s \u00e0 des monnaies fiduciaires. Cette flexibilit\u00e9 r\u00e9duit les frictions pour l\u2019utilisateur et pour le marchand. Elle ouvre, en outre, la porte \u00e0 des parcours <strong>sans fronti\u00e8re<\/strong> plus efficaces.<\/p>\n<p>Pour les rails crypto, <a href=\"https:\/\/icobench.com\/fr\/news\/google-cloud-blockchain-gcul\/\" rel=\"\">Google<\/a> et ses partenaires pr\u00e9sentent une <strong>extension x402<\/strong> destin\u00e9e aux paiements entre agents. Elle apporte des flux en temps r\u00e9el, des montants pr\u00e9cis et une meilleure conciliation c\u00f4t\u00e9 commer\u00e7ant. En pratique, un agent peut remplir un panier, pr\u00e9senter l\u2019addition, puis d\u00e9clencher le paiement selon les pr\u00e9f\u00e9rences de l\u2019utilisateur : carte, stablecoin, ou autre m\u00e9thode disponible.<\/p>\n<p>Au c\u0153ur du protocole, on trouve des mandats sign\u00e9s et des <strong>informations d\u2019identification v\u00e9rifiables<\/strong>. L\u2019utilisateur d\u00e9finit les conditions : montant maximal, marchand autoris\u00e9, p\u00e9riode, type d\u2019article. L\u2019agent agit alors dans ces bornes et laisse une piste cryptographique v\u00e9rifiable. Le marchand v\u00e9rifie l\u2019intention, puis finalise la transaction via son prestataire habituel.<\/p>\n<h2><span id=\"cas_dusage_de_lachat_assiste_a_lautomatisation_metier\">Cas d\u2019usage : de l\u2019achat assist\u00e9 \u00e0 l\u2019automatisation m\u00e9tier<\/span><\/h2>\n<p>Concr\u00e8tement, <strong>AP2 couvre deux sc\u00e9narios<\/strong>. D\u2019abord, l\u2019achat en direct : l\u2019utilisateur valide une proposition et l\u2019agent ex\u00e9cute l\u2019ordre. Ensuite, la d\u00e9l\u00e9gation : l\u2019utilisateur fixe des r\u00e8gles, et l\u2019agent ach\u00e8te d\u00e8s que les conditions sont r\u00e9unies. Dans les deux cas, <strong>l\u2019auditabilit\u00e9 reste totale<\/strong>, ce qui facilite les litiges et la conformit\u00e9.<\/p>\n<p>Les applications sont nombreuses. Un agent surveille des prix volatils et <strong>ach\u00e8te au bon niveau<\/strong>. Un service automatise le renouvellement de licences selon l\u2019usage r\u00e9el. Une entreprise d\u00e9l\u00e8gue des achats B2B sous budget contr\u00f4l\u00e9. Dans chaque exemple, la capacit\u00e9 de <strong>payer sans latence<\/strong>, avec des rails multiples, change la donne. Par ailleurs, l\u2019IA peut agr\u00e9ger des offres, optimiser la livraison, puis r\u00e9gler dans la seconde.<\/p>\n<h2><span id=\"enjeux_pour_lecosysteme_crypto_et_les_marchands\">Enjeux pour l\u2019\u00e9cosyst\u00e8me crypto et les marchands<\/span><\/h2>\n<p>Pour les marchands, l\u2019int\u00e9r\u00eat est double. D\u2019abord, AP2 standardise l\u2019int\u00e9gration des <a href=\"https:\/\/icobench.com\/fr\/news\/ethereum-economie-ia\/\" rel=\"\"><strong>paiements pilot\u00e9s par l\u2019IA<\/strong><\/a>. Ensuite, il abaisse le risque gr\u00e2ce aux mandats v\u00e9rifi\u00e9s et \u00e0 la tra\u00e7abilit\u00e9. Les \u00e9quipes conformit\u00e9 disposent d\u2019\u00e9l\u00e9ments solides pour documenter l\u2019intention, la preuve et le parcours de paiement. <strong>Cela fluidifie l\u2019onboarding avec les PSP et rassure les r\u00e9gulateurs<\/strong>.<\/p>\n<p>Pour l\u2019\u00e9cosyst\u00e8me crypto, l\u2019arriv\u00e9e d\u2019AP2 et de l\u2019extension x402 <strong>acc\u00e9l\u00e8re l\u2019usage des stablecoins<\/strong> dans des parcours concrets. Les agents peuvent r\u00e9gler des micro-paiements, g\u00e9rer des abonnements, ou ex\u00e9cuter des achats transfrontaliers avec moins d\u2019interm\u00e9diaires. De plus, l\u2019alignement technique avec les r\u00e9seaux carte offre une exp\u00e9rience unifi\u00e9e : m\u00eame flux d\u2019autorisation, m\u00eame reporting, et un socle commun de r\u00e8gles.<\/p>\n<p>\u00c0 moyen terme, cette convergence pourrait <strong>r\u00e9duire les frictions<\/strong> entre Web2 et Web3. Les utilisateurs gardent leurs habitudes, les marchands conservent leurs partenaires. Entre les deux, les agents d\u2019IA n\u00e9gocient, choisissent la meilleure voie, puis paient sur le rail optimal. Ainsi, les stablecoins gagnent en visibilit\u00e9, sans imposer une rupture aux parcours existants.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google d\u00e9voile AP2, un protocole ouvert pens\u00e9 pour les agents d\u2019IA. L\u2019objectif est clair : permettre des paiements automatiques,&#8230;<\/p>\n","protected":false},"author":245,"featured_media":9449,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-9412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Google lance un protocole de paiements IA prenant en charge les cartes et les stablecoins<\/title>\n<meta name=\"description\" content=\"Google lance AP2, un protocole de paiements IA open source, compatible cartes et stablecoins, pour des transactions s\u00fbres et interop\u00e9rables.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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