Billingo setup and API-key
API-key generation, connection, document block and bank account
Billingo setup
Connecting Billingo takes 5 minutes if you have an account.
Prerequisites
- Active Billingo account (https://app.billingo.hu)
- API-key generated
- At least 1 document block in Billingo
Step 1: Generate API-key
- Billingo account → Settings → API keys
- + New API key → name (e.g., "Bookinda")
- Generate → copy the key
Key shown only once. Save securely.
Step 2: Connect in Bookinda
- Bookinda → Connect → Billingo
- + Connect
- Paste API-key
- Connection test → "Successful"
- Save → ACTIVE
Test call verifies: API-key, organization data, document blocks, bank accounts.
Step 3: Document block
For invoice numbering you must pick a document block. Choose from blocks created in Billingo.
Step 4: Bank account (optional)
Appears on invoice: bank name + account number + IBAN.
Step 5: Auto-invoice toggle
ON: every fully-PAID sale auto-invoiced. OFF: manual from Sales list.
Recommended: ON.
Step 6: NAV Online Invoice
Toggle "Electronic Invoice (NAV)." Mandatory since 2021 per NAV rule.
Additional config
- Currency: HUF / EUR / USD (default HUF)
- Language: HU / EN / DE (default HU)
- Due days: 0-90 days (default 8)
- VAT: tenant-level (default 27%)
Disconnect
Connect → Billingo → Disconnect:
- Bookinda-Billingo connection ends
- Existing invoices stay in Billingo
- Reconnect anytime with new API-key
When to use it
Scenario 1, new salon with Billingo New Bookinda + new Billingo. 5 minutes to connect.
Scenario 2, existing Billingo user Company data already in Billingo. Generate API-key. Connect in Bookinda. Invoices go to existing account.
Scenario 3, connection dispute Invoice not arriving. Connection test → token revoked. New API-key.
Tips
- Save API-key immediately after generation, only shown once.
- Document block selection mandatory, no invoice without it.
- NAV Online Invoice flag should be on, legal obligation.
- Don't save before successful test call.
- Reconnect requires new API-key if old revoked.