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Getting Started
New to DIDfarm? Order your first number and make your first call in 5 minutes.
1 guide
Numbers
Local presence, caller ID, support lines, dev/testing, forwarding, and regulatory.
5 guides
Call Flows & IVR
Visual drag-and-drop call routing. Voice menus, time routing, ring groups, AI announcements.
1 guide
SIP Trunking & PBX
Connect your PBX, replace providers, Teams Direct Routing, MSP trunking.
8 guides
SMS Messaging
Send and receive SMS. OTP, notifications, reminders, support inbox, and API reference.
6 guides
WhatsApp Business
Templates, rich media, quick reply buttons. OTP, notifications, reminders, and support.
5 guides
Account & Billing
Wallet top-up, payment methods, invoices, billing cycles, and VAT.
2 guides
Developer API
REST API reference, webhooks, code examples, and integration guides.
2 guides
DIDfarm Connect
Partner program, white-label reselling, wholesale pricing, and API integration.
2 guides
Getting Started
New to DIDfarm?
Numbers
Phone number guides
DIDfarm Numbers — complete guide
Remote office presence with local numbers
SaaS caller ID — per-country outbound numbers
Regional support lines — multi-country, one queue
Dev & testing numbers for QA and CI/CD
Call Flows & IVR
Visual call flow builder
SIP Trunking & PBX
PBX integration guides
PBX Integration Hub — 3CX, FreePBX, Asterisk
How to connect a DID to 3CX
How to connect a DID to FreePBX
How to connect a DID to Asterisk PBX
Replace your trunk provider — migration guide
Add international reach to your PBX
Microsoft Teams Direct Routing
Multi-tenant MSP trunking
SMS Messaging
SMS guides & use cases
How to send & receive SMS with DIDfarm
SMS API Reference — endpoints, webhooks, examples
OTP & 2FA via SMS — code examples & best practices
Order & shipping notifications via SMS
Appointment reminders with 2-way reply
Customer support inbox via SMS
WhatsApp Business
WhatsApp guides & use cases
WhatsApp Business — setup, templates & pricing
OTP & 2FA via WhatsApp — templates & copy-code button
Order & shipping notifications via WhatsApp templates
Appointment reminders via WhatsApp with quick reply
Customer support inbox via WhatsApp
Developer API
API reference & integration
Account & Billing
Wallet, payments & invoices
Wallet & payments — top up, payment methods, balance
Invoices & billing cycle — charges, VAT, downloads
DIDfarm Connect
Partner program & white-label