The Spanish version is the authoritative reference. View in Spanish
Communication by Country
📘 Common protocol
The REST/WebSocket contract of xPOS-Core is the same for all countries. Each country's sheet documents only what changes relative to the protocol:
- xPOS-Core communication protocol
- xPOS-Core error codes — catalog of
stage+errorDescriptionand suggested action for each case. - REST integration examples — the full flow implemented in the most common languages (cURL, Python, JavaScript, TypeScript, Java, C#, Go, and PHP).
🌎 Country manuals
| Country | Reported entity or integration | Manual |
|---|---|---|
| Chile | SII | Chile |
| Colombia | DIAN | Colombia |
| Costa Rica | Ministry of Finance (MH) | Costa Rica |
| El Salvador | DGII | El Salvador |
| Guatemala | Megaprint | Guatemala |
| Panama | PAC-GS | Panama |
| Paraguay | SIFEN | Paraguay |
| Dominican Republic | DGII | Dominican Republic |