Side by side
LEKAB RCS API vs SMS.es Business Messenger
Both stand on rcs messaging platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid API
Choose LEKAB RCS API if you need branded, two-way RCS messaging with analytics and automatic SMS fallback. Look elsewhere if your audience or workflow depends on RCS availability beyond the stated Android support and expanding iOS adoption.
Visit LEKAB RCS API Paid APIWeb
SMS.es Business Messenger offers API-based RCS campaigns with rich formats, webhooks, and SMS fallback. Plan for consent management and carrier approval before expecting public availability.
Visit SMS.es Business MessengerThe facts
| LEKAB RCS API | SMS.es Business Messenger | |
|---|---|---|
| Free plan | Not published | No |
| Open source | Not published | Not published |
| Runs on | API | API, Web |
| Lowest paid plan | Free or on request | Conversacional: €39 a month |
| Plans published | 1 | 8 |
| Maker | Not published | Not published |
| Website | lekab.com | rcs.es |
| On rcs messaging platforms | #18 of 34 | #22 of 34 |
LEKAB RCS API: what it does well
- Supports rich cards, images, carousels, and action buttons.
- Verified sender branding can include a name, logo, and colours.
- Automatically falls back to SMS when RCS is unsupported.
- Reports delivery status, read receipts, and customer responses.
- Provides OpenAPI/Swagger documentation and webhooks.
What to know first
- Pricing varies by country and operator.
- Production access depends on compliance and carrier approvals.
- RCS support is widely available on Android; iOS support is expanding.
SMS.es Business Messenger: what it does well
- Campaign API supports full campaign lifecycle actions.
- Messages support rich media and branded sender identity.
- Automatic SMS fallback is included.
- Webhooks report delivery, read, and reply events.
- OAuth2 access tokens are valid for seven days.
What to know first
- No free plan is listed.
- Explicit opt-in is required for RCS.
- Before launch, messaging is limited to test devices.
- Public availability depends on approval by each carrier.
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