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Pain001
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Why Pain001
Catch rejected payment files before submission.
Executive brief
The business case, controls and deployment model.
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Open source and commercial alternatives, honestly assessed.
Enterprise
Operate the suite in governed payment environments.
Developers
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What is pain.001?
The message, its structure, versions and an example.
Install Pain001
Python, CLI and Docker quick starts.
Technical reference
Commands, APIs, schemas and examples.
Message specifications
Supported pain.001 and pain.008 editions.
Example corpus
Banking scenarios and expected XML outputs.
Browser sandbox
Validate a file locally, in the browser.
Products
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pain001-mcp
Read-only payment tools for AI agents.
pain001-lsp
Live diagnostics in your editor.
MT101 loader
Move legacy transfer requests to ISO 20022.
Excel loader
Convert governed workbooks without rekeying.
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pain.001
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pain.001
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What Is pain.001? ISO 20022 Credit Transfer Initiation