--- title: foojay – a place for friends of OpenJDK | daily.dev description: An exploration of the emerging agent commerce stack built on x402 (pay-per-call HTTP payments), ERC-8004 (on-chain agent identity), and discovery tools like... canonical: https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: foojay – a place for friends of OpenJDK | daily.dev og:description: An exploration of the emerging agent commerce stack built on x402 (pay-per-call HTTP payments), ERC-8004 (on-chain agent identity), and discovery tools like... og:url: https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg og:image: https://api.daily.dev/og/posts/KHSkKGtMg.png og:image:alt: foojay – a place for friends of OpenJDK og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # foojay – a place for friends of OpenJDK **[Foojay.io](https://daily.dev/sources/foojayio)** · 16 min read · 1 upvotes · 0 comments ## Summary An exploration of the emerging agent commerce stack built on x402 (pay-per-call HTTP payments), ERC-8004 (on-chain agent identity), and discovery tools like xgate. The piece traces the evolution from crypto-native AI demos to production-shaped infrastructure where autonomous agents can discover services, pay for compute in stablecoins, and sell their own capabilities as paid endpoints. Langoustine69 is highlighted as a concrete public example: an OpenClaw-based autonomous agent that ships 60+ live x402 endpoints, earns revenue when other agents call them, and maintains a verifiable on-chain identity. The article outlines what's still missing—robust discovery defaults, portable reputation signals, reliable multi-hop payment patterns, and mainstream wallet UX—and argues that when these gaps close, paid tool use becomes cheaper default infrastructure than rebuilding tools from scratch. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [foojay – a place for friends of OpenJDK](https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-daxnzhtrp) · Foojay.io · 1 upvotes · 0 comments - [AI agents can browse the web. Now they need a way to pay for it.](https://daily.dev/posts/ai-agents-can-browse-the-web-now-they-need-a-way-to-pay-for-it--xu9muwtef) · The Next Web · 1 upvotes · 0 comments --- Tags: [#ai-agents](https://daily.dev/tags/ai-agents), [#llm](https://daily.dev/tags/llm), [#web3](https://daily.dev/tags/web3) [View this post on daily.dev](https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"foojay – a place for friends of OpenJDK","url":"https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg"},"datePublished":"2026-02-23T18:24:06.360Z","dateModified":"2026-03-15T06:05:47.706Z","description":"An exploration of the emerging agent commerce stack built on x402 (pay-per-call HTTP payments), ERC-8004 (on-chain agent identity), and discovery tools like...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8affbfd782bffef49ba3a6622dcccdb7?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/8affbfd782bffef49ba3a6622dcccdb7?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Foojay.io","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Foojay.io","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/1820f6a6ae944760aa322b67ed85f848","url":"https://daily.dev/sources/foojayio"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/foojay-a-place-for-friends-of-openjdk-khskkgtmg","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"ai-agents,llm,web3","timeRequired":"PT16M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Foojay.io","item":"https://daily.dev/sources/foojayio"},{"@type":"ListItem","position":3,"name":"foojay – a place for friends of OpenJDK"}]} ```