Migrating Credit Card Data on Your Timeline
Blog post from Basis Theory
Payment data migration involves transferring stored credentials such as credit card numbers, bank account details, tokens, and sometimes PII or KYC information from a payment service provider to an independent vault or another processor, often to improve data ownership, portability, PCI compliance, and negotiating flexibility. The process typically begins by identifying authorized internal contacts, understanding the existing integration and processor requirements, and coordinating securely with both the current provider and receiving platform, which may require PCI Level 1 compliance, an attestation of compliance, service-provider listings, and encryption keys. Exported data commonly arrives in CSV or JSONL files and is transferred through secure methods such as SFTP, HTTPS, or processor-specific channels, with testing on partial or synthetic data recommended before the full migration. Migration timelines and costs vary by processor and project scope, while the intended outcome is generally tokenized payment data that can be securely integrated into business systems, retain links to existing customer identifiers, and reduce dependence on a single payments provider.
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