Subscriber Registration Guide
This guide covers the complete subscriber registration flow, including KYC requirements and error handling.Registration Flow
Quick Registration
Public Endpoint (No Auth)
Authenticated Endpoint
Required Fields
| Field | Type | Validation |
|---|---|---|
phone_number | string | Sierra Leone format, 8 digits after +232 |
first_name | string | 1-100 characters |
last_name | string | 1-100 characters |
pin | string | 4 digits |
KYC Levels
Basic (Default)
- Phone verification
- Name and PIN
- Limits: Daily 100,000 SLE, Monthly 500,000 SLE
Enhanced
- ID document upload via Agent
- OCR validation
- Limits: Daily 500,000 SLE, Monthly 2,000,000 SLE
Full
- Front + back ID verification
- Cross-validation passed
- Limits: Daily 2,000,000 SLE, Monthly 10,000,000 SLE
KYC Upgrade via WhatsApp
Users can upgrade KYC through the WhatsApp agent:- User: “I want to upgrade my account”
- Agent: “Please send a clear photo of the FRONT of your Sierra Leone National ID”
- User: [Sends front image]
- Agent: “Front received. Now send the BACK of your ID”
- User: [Sends back image]
- Agent: “Your KYC upgrade is complete!”
Error Handling
| Error | Cause | Solution |
|---|---|---|
PHONE_ALREADY_REGISTERED | Phone exists | User should login instead |
INVALID_PHONE_FORMAT | Wrong format | Use Sierra Leone format |
WEAK_PIN | Sequential/repeated digits | Choose stronger PIN |
Phone Number Format
Valid Sierra Leone formats:+23279123456.
Best Practices
Customer Communication
Customer Communication
Send welcome SMS after successful registration with basic instructions.
PIN Security
PIN Security
Never store or log PINs in plaintext. Hash before storage.
KYC Guidance
KYC Guidance
Prompt users to complete Enhanced KYC for higher limits.