--- title: A2A Java SDK 1.0.0.Final Released | daily.dev description: The A2A Java SDK 1.0.0.Final is the first GA release of the official Java implementation of the Agent2Agent (A2A) Protocol, an open standard governed by the... canonical: https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A2A Java SDK 1.0.0.Final Released | daily.dev og:description: The A2A Java SDK 1.0.0.Final is the first GA release of the official Java implementation of the Agent2Agent (A2A) Protocol, an open standard governed by the... og:url: https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk og:image: https://api.daily.dev/og/posts/xWApJtPTK.png og:image:alt: A2A Java SDK 1.0.0.Final Released 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. # A2A Java SDK 1.0.0.Final Released **[Quarkus](https://daily.dev/sources/quarkus)** · 5 min read · 2 upvotes · 0 comments ## Summary The A2A Java SDK 1.0.0.Final is the first GA release of the official Java implementation of the Agent2Agent (A2A) Protocol, an open standard governed by the Linux Foundation for enabling AI agents to communicate across different frameworks and languages. The release follows six months of development and seven pre-releases with 17 contributors. Key features include support for three transports (JSON-RPC, gRPC, HTTP+JSON/REST), a new Integration Test Kit (ITK) for cross-SDK interoperability validation, Java records for all domain classes, a MainEventBus server architecture, OpenTelemetry telemetry, push notifications, v0.3 backward compatibility, and an Android HTTP client. Reference implementations are provided for Quarkus and WildFly/Jakarta EE. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [A2A Java SDK 1.0.0.Beta1 Released](https://daily.dev/posts/a2a-java-sdk-1-0-0-beta1-released-ov4xttrfx) · Quarkus · 1 upvotes · 0 comments - [A2A Java SDK 1.0.0.Alpha2 Released](https://daily.dev/posts/a2a-java-sdk-1-0-0-alpha2-released-mdsxo75mr) · Quarkus · 0 upvotes · 0 comments - [A2A Java SDK 1.0.0.Alpha1 - Embracing the 1.0 Specification](https://daily.dev/posts/a2a-java-sdk-1-0-0-alpha1---embracing-the-1-0-specification-lmgt7q5vx) · Quarkus · 3 upvotes · 0 comments - [A2A Java SDK 1.0.0.CR1 Released](https://daily.dev/posts/a2a-java-sdk-1-0-0-cr1-released-oztkicigx) · Quarkus · 0 upvotes · 0 comments --- Tags: [#java](https://daily.dev/tags/java), [#ai-agents](https://daily.dev/tags/ai-agents), [#quarkus](https://daily.dev/tags/quarkus), [#grpc](https://daily.dev/tags/grpc) [View this post on daily.dev](https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk) ```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":"A2A Java SDK 1.0.0.Final Released","url":"https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk"},"datePublished":"2026-06-11T07:37:22.265Z","dateModified":"2026-06-11T07:37:47.810Z","description":"The A2A Java SDK 1.0.0.Final is the first GA release of the official Java implementation of the Agent2Agent (A2A) Protocol, an open standard governed by the...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e7ab97eced21a845aaca4e155a5e5171?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e7ab97eced21a845aaca4e155a5e5171?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Quarkus","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":"Quarkus","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/8adf82d719bb4a9492f44a28a27fd396","url":"https://daily.dev/sources/quarkus"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/a2a-java-sdk-1-0-0-final-released-xwapjtptk","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"java,ai-agents,quarkus,grpc","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Quarkus","item":"https://daily.dev/sources/quarkus"},{"@type":"ListItem","position":3,"name":"A2A Java SDK 1.0.0.Final Released"}]} ```