{"id":13119,"date":"2025-10-27T10:00:48","date_gmt":"2025-10-27T10:00:48","guid":{"rendered":"https:\/\/icobench.com\/fr\/?p=13119"},"modified":"2025-10-27T09:52:35","modified_gmt":"2025-10-27T09:52:35","slug":"jetons-crypto-x402-nouvelle-norme-paiements-web3","status":"publish","type":"post","link":"https:\/\/icobench.com\/fr\/news\/jetons-crypto-x402-nouvelle-norme-paiements-web3\/","title":{"rendered":"Jetons crypto x402 : la nouvelle norme des paiements Web3"},"content":{"rendered":"<p>Au cours du weekend, une nouvelle tendance a pris d\u2019assaut la sc\u00e8ne crypto. Vous avez certainement crois\u00e9 le tag \u201c<strong>x402<\/strong>\u201d ou observ\u00e9 la progression fulgurante de quelques <strong>jetons crypto x402<\/strong>.<\/p>\n<p>Pour comprendre le ph\u00e9nom\u00e8ne, il faut s\u2019int\u00e9resser \u00e0 une nouvelle norme de paiements sur le web. Une <strong>nouvelle norme<\/strong> qui promet de <strong>r\u00e9inventer la fa\u00e7on dont les paiements sont trait\u00e9s sur Internet<\/strong>. En particulier, \u00e0 l\u2019\u00e8re des agents IA sur Internet.<\/p>\n<h2><span id=\"x402_une_norme_remise_au_gout_du_jour\">X402 : une norme remise au go\u00fbt du jour<\/span><\/h2>\n<p>Le code 402 est un <strong>code HTTP<\/strong> qui existe depuis longtemps. C\u2019est un code du m\u00eame type que 404 qui signifie \u201cnon trouv\u00e9\u201d ou 403 qui signifie \u201cinterdit\u201d. \u00c0 la diff\u00e9rence de ces autres codes cependant, 402 \u00e9tait rarement utilis\u00e9 et est un peu tomb\u00e9 dans l\u2019oubli au fil des ann\u00e9es. Dans la pratique, <strong>402 signifie \u201cpaiement requis\u201d<\/strong>.<\/p>\n<p>Aujourd\u2019hui, <a href=\"https:\/\/icobench.com\/fr\/news\/top-5-meilleurs-stablecoins\/\" rel=\"\">\u00e0 l\u2019\u00e8re des stablecoins<\/a> et des cryptomonnaies, <strong>ce code redevient pertinent<\/strong>. Il permet d\u00e9sormais \u00e0 une page ou \u00e0 un service web de demander un paiement directement. Une mani\u00e8re de proc\u00e9der qui outrepasse les API. Lesquelles API \u00e9taient, jusque-l\u00e0, le <strong>fondement des paiements sur Internet<\/strong>.<\/p>\n<figure id=\"attachment_13122\" aria-describedby=\"caption-attachment-13122\" style=\"width: 717px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-13122\" src=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@programmer-x402-developpeur.jpg\" alt=\"@programmer - x402 d\u00e9veloppeur\" width=\"717\" height=\"388\" srcset=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@programmer-x402-developpeur.jpg 717w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@programmer-x402-developpeur-300x162.jpg 300w\" sizes=\"(max-width: 717px) 100vw, 717px\"><figcaption id=\"caption-attachment-13122\" class=\"wp-caption-text\"><a href=\"https:\/\/x.com\/programmer\/status\/1981854725470670861\" target=\"_blank\" rel=\"noopener noreferrer\">Source : @programmer sur X<\/a><\/figcaption><\/figure>\n<h2><span id=\"une_revolution_de_lecosysteme_des_api_de_paiement\">Une r\u00e9volution de l\u2019\u00e9cosyst\u00e8me des API de paiement<\/span><\/h2>\n<p>Pour comprendre la r\u00e9volution que repr\u00e9sente x402, il faut cerner le fonctionnement des API de paiement. Typiquement, lorsqu\u2019un service sur Internet souhaite cr\u00e9er une requ\u00eate de paiement, <strong>il doit s\u2019en remettre aux API<\/strong>.<\/p>\n<p>Ces API sont des services tiers comme <strong>Stripe<\/strong>, <strong>Gumroad<\/strong> ou autres. Ils permettent au d\u00e9veloppeur de souscrire contre paiement, pour \u00eatre autoris\u00e9 \u00e0 recevoir des paiements par le biais de leur infrastructure. Les API facturent typiquement par paliers de requ\u00eates.<\/p>\n<p>Mais surtout, les API ne traitent pas directement les paiements. <strong>Ils se comportent plus comme des facilitateurs<\/strong> qui mettent en relation avec les processeurs de paiement et <a href=\"https:\/\/icobench.com\/fr\/news\/mastercard-accelere-integration-stablecoins\/\" rel=\"\">les r\u00e9seaux de cartes de paiement<\/a>. Autant d\u2019interm\u00e9diaires qui rajoutent leurs frais \u00e0 chaque transaction sur Internet.<\/p>\n<p>\u00c0 l\u2019inverse, avec la norme x402, le co\u00fbt de l\u2019utilisation de l\u2019API <strong>peut \u00eatre pay\u00e9 pour chaque requ\u00eate<\/strong>. En effet, il suffit de rajouter ce surco\u00fbt \u00e0 chaque interaction. Puis, une fois la requ\u00eate HTTP transmise \u00e0 l\u2019\u00e9cosyst\u00e8me Web3, <strong>le d\u00e9veloppeur est pay\u00e9 en stablecoins ou dans la cryptomonnaie de son choix<\/strong>.<\/p>\n<figure id=\"attachment_13121\" aria-describedby=\"caption-attachment-13121\" style=\"width: 2048px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-13121\" src=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem.jpg\" alt=\"@henloitsjoyce - x402 ecosystem\" width=\"2048\" height=\"1152\" srcset=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem.jpg 2048w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem-300x169.jpg 300w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem-1024x576.jpg 1024w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem-768x432.jpg 768w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem-1536x864.jpg 1536w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/10\/@henloitsjoyce-x402-ecosystem-1568x882.jpg 1568w\" sizes=\"(max-width: 2048px) 100vw, 2048px\"><figcaption id=\"caption-attachment-13121\" class=\"wp-caption-text\"><a href=\"https:\/\/x.com\/henloitsjoyce\/status\/1980654010249167279\" target=\"_blank\" rel=\"noopener noreferrer\">Source : @henloitsjoyce sur X<\/a><\/figcaption><\/figure>\n<h2><span id=\"un_conduit_pour_ladoption_des_stablecoins_et_cryptomonnaies\">Un conduit pour l\u2019adoption des stablecoins et cryptomonnaies<\/span><\/h2>\n<p>Pour les d\u00e9veloppeurs, une telle r\u00e9volution est une v\u00e9ritable aubaine. Non seulement, elle ouvre l\u2019acc\u00e8s aux paiements \u00e0 une plus grande audience. Mais en plus, <strong>ceci rationnalise syst\u00e9matiquement le co\u00fbt de l\u2019infrastructure de paiement<\/strong>. C\u2019est-\u00e0-dire que les d\u00e9veloppeurs ne d\u00e9pensent que pour ce qu\u2019ils utilisent r\u00e9ellement.<\/p>\n<p>Pour l\u2019industrie crypto, la norme cr\u00e9e un <strong>nouveau cas d\u2019utilisation concret pour les stablecoins<\/strong>. Apr\u00e8s tout, dans un contexte dans lequel OpenAI rend ses agents IA plus fonctionnels, <strong>la capacit\u00e9 \u00e0 r\u00e9aliser des transactions ind\u00e9pendamment devient une priorit\u00e9<\/strong>.<\/p>\n<p>Avec ce <strong>nouveau standard de paiement<\/strong>, les agents IA peuvent interagir sans qu\u2019il ne soit n\u00e9cessaire d\u2019\u00e9tablir un lien de confiance pr\u00e9alable. Ceci rappelle <a href=\"https:\/\/icobench.com\/fr\/news\/google-ap2-paiements-ia-cartes-stablecoins\/\" rel=\"\">la norme AP2 promue par Google pour les paiements des agents IA<\/a>.<\/p>\n<p>Ainsi, qu\u2019il s\u2019agisse d\u2019<strong>agents IA<\/strong>, de <strong>d\u00e9veloppeurs<\/strong>, d\u2019<strong>entreprises<\/strong> ou de tout autre <strong>marchand<\/strong>, ils auront tous besoin de se fournir en stablecoins pour r\u00e9aliser leurs paiements sur Internet.<\/p>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"en\" dir=\"ltr\">EigenCloud + x402 = Agents Pay + Agents Verify <\/p>\n<p>A thread on all the key highlights in Eigen &amp; x402 \ud83e\uddf5 <a href=\"https:\/\/t.co\/ef9bCcmAwz\" target=\"_blank\" rel=\"noopener noreferrer\">pic.twitter.com\/ef9bCcmAwz<\/a><\/p>\n<p>\u2014 EigenCloud (@eigenlayer) <a href=\"https:\/\/twitter.com\/eigenlayer\/status\/1982346567484121543?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener noreferrer\">October 26, 2025<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<h2><span id=\"les_jetons_x402_mode_ephemere_ou_investissement_porteur\">Les jetons x402 : mode \u00e9ph\u00e9m\u00e8re ou investissement porteur ?<\/span><\/h2>\n<p>Le lancement r\u00e9cent des jetons crypto x402 s\u2019explique par le d\u00e9ploiement de <a href=\"https:\/\/docs.cdp.coinbase.com\/x402\/core-concepts\/facilitator\" target=\"_blank\" rel=\"noopener noreferrer\">facilitateurs x402 par des firmes comme Coinbase<\/a>. En somme, c\u2019est un effet de mode qui n\u2019a pas de r\u00e9el lien fonctionnel avec la norme.<\/p>\n<p>Quoi qu\u2019il en soit, comme pour tout grand mouvement dans la sph\u00e8re crypto, ces jetons th\u00e9matiques restent des opportunit\u00e9s d\u2019investissement. Il faut simplement garder \u00e0 l\u2019esprit que pour l\u2019instant, <strong>ils s\u2019apparentent plus \u00e0 des memecoins<\/strong> qu\u2019\u00e0 des jetons utilitaires.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Au cours du weekend, une nouvelle tendance a pris d\u2019assaut la sc\u00e8ne crypto. Vous avez certainement crois\u00e9 le tag&#8230;<\/p>\n","protected":false},"author":224,"featured_media":13120,"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-13119","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>Jetons crypto x402 : la nouvelle norme des paiements Web3<\/title>\n<meta name=\"description\" content=\"Le ph\u00e9nom\u00e8ne x402 prend la sph\u00e8re crypto d\u2019assaut : nouvelle mode de jetons, nouvelle norme technique ou r\u00e9volution IA ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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