SMS API & Android SMS Gateway Guides
Guides on SMS automation, APIs, and using Android as an SMS gateway
Read practical guides on sending SMS via API, using an Android phone as an SMS gateway, receiving inbound webhooks, and building lower-cost SMS automation flows without traditional per-message providers.
Get Started with SimGateMay 28, 2026
Use Android as Programmable SMS Infrastructure
Learn how to treat Android devices as first-class SMS delivery nodes: routing logic, multi-device setups, device health, inbound pipelines, and everything you need to run SMS like real infrastructure.
March 23, 2026
SMS Automation With Your Own Number: Auto-Replies, Keywords, and Webhooks
Learn how to build SMS automation with your own number using keyword rules, auto-replies, and webhook triggers from an Android phone.
March 21, 2026
What Makes a Reliable Android SMS Gateway? A Production Checklist
Learn what makes an Android SMS gateway reliable in production, including queueing, retries, device tracking, logs, and inbound webhook handling.
March 19, 2026
How to Send SMS via API Using Your Own Phone (No Twilio, No Per SMS Fees)
Learn how to use an Android phone as an SMS gateway, send SMS via API with your own SIM card, and avoid Twilio-style per-message fees.
March 19, 2026
How to Receive SMS via Webhook Using an Android Phone
Learn how to forward inbound SMS from an Android phone to your backend via webhook and build a reliable two-way SMS API.