https://askiso.io/ Validate, lint and convert ISO 20022 and SWIFT MT messages, and check CBPR+ structured address readiness. Free, open source, and nothing is uploaded. en https://askiso.io/about/ AskISO is an independent open-source project for ISO 20022 messaging. Who maintains it, what it will and will not do, and how it is funded. https://askiso.io/about/ Sebastien Rousseau https://askiso.io/docs/ Every AskISO command, which ones need a catalogue, the scheme rule profiles, and how to wire it into your editor, your build or an AI assistant. https://askiso.io/docs/ Sebastien Rousseau https://askiso.io/news/ Release notes, changes that affect the messages you send, and where to follow along. Every release is published with what changed and why. https://askiso.io/news/ Sebastien Rousseau https://askiso.io/conformance/ AskISO agrees with libxml2 on all 4,746 documents tested. Every figure here names the command that reproduces it, so you can check the claim yourself. https://askiso.io/conformance/ Sebastien Rousseau https://askiso.io/mcp/setup/ Add the ISO 20022 MCP servers to Claude Code, Claude Desktop or any MCP client in one step, then make your first validated message from a prompt. https://askiso.io/mcp/setup/ Sebastien Rousseau https://askiso.io/contact/ Reach the people behind AskISO. Report a message it gets wrong, ask about November 2026 readiness, or request the release notes. Replies come by email. https://askiso.io/contact/ Sebastien Rousseau https://askiso.io/playground/ Generate a valid ISO 20022 sample message, look up an external code set, and see what the standard actually contains. Runs in your browser. https://askiso.io/playground/ Sebastien Rousseau https://askiso.io/mcp/ Thirteen open MCP servers that turn plain language into validated ISO 20022 messages: initiate, settle, read, reconcile, remediate, prove readiness. https://askiso.io/mcp/ Sebastien Rousseau https://askiso.io/mcp/recipes/ Four flows an agent runs end to end: migrate an MT103, reconcile a statement, recall a wrong payment, and turn a signed agent mandate into a wire. https://askiso.io/mcp/recipes/ Sebastien Rousseau https://askiso.io/knowledge/ Everything AskISO publishes about ISO 20022 in one place: the CBPR+ SR2025 message guidance, 2026 readiness rules, documentation and evidence. https://askiso.io/knowledge/ Sebastien Rousseau https://askiso.io/messages/ Browse all 2,845 ISO 20022 message definitions by business area: every version, what replaced it, and where to get the schema. https://askiso.io/messages/ Sebastien Rousseau https://askiso.io/solutions/ Check a message before it is sent, migrate from SWIFT MT, meet the November 2026 address mandate, and embed validation in your pipeline, editor or AI assistant. https://askiso.io/solutions/ Sebastien Rousseau https://askiso.io/legal/ What AskISO collects, what it does not, the licence it is published under, and its relationship to ISO and SWIFT. No analytics, no cookies, no accounts. https://askiso.io/legal/ Sebastien Rousseau https://askiso.io/404/ That page is not here. The message reference, the workspace and the documentation are, and this page points at all three. https://askiso.io/404/ Sebastien Rousseau https://askiso.io/news/swift-defers-structured-address-migration/ Swift has deferred every payments change in Standards Release 2026, the structured address requirement among them, and confirms new timing by December. https://askiso.io/news/swift-defers-structured-address-migration/ Sebastien Rousseau https://askiso.io/deadline/ CBPR+ will reject unstructured postal addresses. Swift deferred the November cutover and confirms new timing by December. Check your own messages free. https://askiso.io/deadline/ Sebastien Rousseau https://askiso.io/vision/ Correctness in ISO 20022 should be checkable by anyone, without a licence or a portal. What we are working towards, and how we will know whether it worked. https://askiso.io/vision/ Sebastien Rousseau https://askiso.io/innovation/ The message families AskISO covers today, what is being built next, and the constraints that decide what gets built at all. https://askiso.io/innovation/ Sebastien Rousseau https://askiso.io/workspace/ Check ISO 20022 and SWIFT MT messages, identifiers, IBANs, BICs and UETRs. Every finding names its rule and path. Runs in your browser; nothing is uploaded. https://askiso.io/workspace/ Sebastien Rousseau https://askiso.io/contact/sent/ Confirmation that your message reached AskISO, what happens to it next, and where to go while you wait for a reply. https://askiso.io/contact/sent/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.02/ acmt.001.001.02 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.02/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.03/ acmt.001.001.03 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.03/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.04/ acmt.001.001.04 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.04/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.05/ acmt.001.001.05 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.05/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.06/ acmt.001.001.06 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.06/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.07/ acmt.001.001.07 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.07/ Sebastien Rousseau https://askiso.io/messages/acmt.001.001.08/ acmt.001.001.08 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.001.001.08/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.02/ acmt.002.001.02 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.02/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.03/ acmt.002.001.03 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.03/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.04/ acmt.002.001.04 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.04/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.05/ acmt.002.001.05 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.05/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.06/ acmt.002.001.06 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.06/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.07/ acmt.002.001.07 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.07/ Sebastien Rousseau https://askiso.io/messages/acmt.002.001.08/ acmt.002.001.08 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.002.001.08/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.02/ acmt.003.001.02 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.02/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.03/ acmt.003.001.03 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.03/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.04/ acmt.003.001.04 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.04/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.05/ acmt.003.001.05 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.05/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.06/ acmt.003.001.06 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.06/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.07/ acmt.003.001.07 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.07/ Sebastien Rousseau https://askiso.io/messages/acmt.003.001.08/ acmt.003.001.08 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.003.001.08/ Sebastien Rousseau https://askiso.io/messages/acmt.005.001.02/ acmt.005.001.02 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.005.001.02/ Sebastien Rousseau https://askiso.io/messages/acmt.005.001.03/ acmt.005.001.03 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.005.001.03/ Sebastien Rousseau https://askiso.io/messages/acmt.005.001.04/ acmt.005.001.04 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.005.001.04/ Sebastien Rousseau https://askiso.io/messages/acmt.005.001.05/ acmt.005.001.05 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.005.001.05/ Sebastien Rousseau https://askiso.io/messages/acmt.005.001.06/ acmt.005.001.06 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.005.001.06/ Sebastien Rousseau https://askiso.io/messages/acmt.006.001.02/ acmt.006.001.02 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.006.001.02/ Sebastien Rousseau https://askiso.io/messages/acmt.006.001.03/ acmt.006.001.03 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.006.001.03/ Sebastien Rousseau https://askiso.io/messages/acmt.006.001.04/ acmt.006.001.04 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.006.001.04/ Sebastien Rousseau https://askiso.io/messages/acmt.006.001.05/ acmt.006.001.05 is an ISO 20022 message definition. Validate, lint and generate it with AskISO, and get the schema from the Registration Authority. https://askiso.io/messages/acmt.006.001.05/ Sebastien Rousseau