Key Takeaways
- sms-gateway.app is an Android SIM SMS/MMS gateway — not Meta WhatsApp Cloud API and not a WhatsApp BSP.
- “WhatsApp SMS gateway” troubleshooting searches often mix two products; split the stack before debugging.
- For our path: check API auth, device online, airtime, DLR — same as any Android SMS integration.
- You need a working Android phone with a SIM and SMS credit from your mobile operator. Operator message costs are yours—we do not sell carrier SMS balance. Service pricing is based on device count and total SMS sent through the gateway.
- Starter, Professional, and Business list Unlimited SMS as platform send volume; that is not unmetered carrier SMS. or claim WhatsApp delivery through our SIM product.
In-depth whatsapp sms gateway troubleshooting starts with a product boundary. We are SMS over Android SIMs: Android SMS gateway. WhatsApp hub (category clarity): WhatsApp SMS gateway overview if published — otherwise treat Meta Cloud as external.
You need a working Android phone with a SIM and SMS credit from your mobile operator. Operator message costs are yours—we do not sell carrier SMS balance. Service pricing is based on device count and total SMS sent through the gateway. Free canary allowance 300 SMS lifetime on Free. Pricing.
This product
Android SIM → SMS/MMS
Not us ×
Meta WhatsApp Cloud / BSP chat
Not Meta Cloud WhatsApp
WhatsApp Business Platform uses Meta templates, quality ratings, and Cloud API credentials. Our APK queues GSM SMS through your operator. Mixing those dashboards guarantees false “fixes.”
If your error mentions WABA, template name, or Graph API, you are not debugging sms-gateway.app.
Why searches collide
Some CodeCanyon “WhatsApp + SMS” scripts and reseller pages mash brands. We do not sell Meta messaging. Piracy mirrors are out of scope — use licensed software or our official APK.
Symptom → product
| You see | Likely product | Where to debug |
|---|---|---|
| Graph API / WABA errors | WhatsApp Cloud | Meta docs / BSP |
| 401 Bearer on /api/v1 | Our REST | API key / Developer Center |
| Device offline in panel | Android gateway | setup; OEM battery |
| SMSC / prepaid reject | Operator SMS | Airtime; content filters |
| Green ticks in WhatsApp app only | Consumer chat | Not our queue |
Troubleshoot Android SMS
Follow server troubleshooting: cURL parity, message id, DLR, webhooks.
If you actually need WhatsApp
Use Meta Cloud API or a BSP. Keep Android SMS for domestic OTP/SIM economics as a parallel lane — hybrid is fine; conflation is not.
Next steps
Confirm you are on the Android APK path, then canary SMS. Comparisons: comparisons.
Related product pages
Jump to the live product docs for this topic—not another long-form article.
- device and SMS volume pricingPlans and allowances
- Twilio vs Android SMS gatewayCloud vs own-SIM cost model
- Android SMS gateway product guideDefinition, product, and how to buy
- SMS API documentationLive endpoint reference
