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December 2025
v4.0

New Documentation Launch

We launched the new Owem API documentation with several improvements:
  • Bilingual documentation: Portuguese (pt-BR) and English (EN)
  • 21 documented endpoints: Authentication, Ledger, PIX IN, PIX OUT, Webhooks, and MEDs
  • Practical guides: Receive payments, send payments, webhooks, reconciliation, and MEDs
  • AI Tools: Integration with ChatGPT, Claude, Perplexity, Cursor, and VS Code
  • MCP Server: Model Context Protocol server for AI tools
  • Dashboard screenshots: Visual guide to using the admin dashboard
December 2025
v4.0

Updated Webhooks

Complete webhook documentation with:
  • Fixed origin IPs: 34.134.50.53 and 35.238.101.57
  • Complete event catalog
  • Detailed payload structure
  • Best practices for consumers
December 2025
v4.0

PIX Key Types

Documentation of accepted PIX key types:
TypeFormat
CPF11 digits
CNPJ14 digits
E-mailvalid email
Phone+55 + area code + number
EVP (Random)UUID
December 2025
v4.0

BACEN/SPI Error Codes

We added documentation for Brazilian Central Bank error codes:
  • AB03: SPI timeout
  • AC03: Invalid account number
  • AC06: Blocked account
  • AM02: Amount exceeds limit
  • BE01: Inconsistent CPF/CNPJ
  • And many more…