Communicate, certify and sign.
All in one platform.
SMS, RCS, WhatsApp, email, voice and AI chat to reach your customers. And when communication must have legal validity: certified notifications, online contracting and identity verification with full evidential value.
They trust Mensatek with their critical communications
One platform. Every channel.
Full legal validity.
Activate only what you need: from an SMS campaign to a complete online contracting process with identity verification.
Here, trust isn't a slogan.
It's our certification.
Mensatek is a Trust Service Provider. Every certified notification, contract or timestamp is sealed by two qualified trust service providers —Mensatek and the FNMT (Spain's Royal Mint)— producing evidence with full legal validity across the European Union.
Content, delivery and exact date recorded with cryptographic proof.
No one can alter or deny what was sent, what was received, or when.
Qualified timestamping under the eIDAS Regulation, recognised in every EU country.
Data processed in the EU with enterprise-grade security and full audit trail.
Independently audited certifications · See certifications
One connection,
endless possibilities
Integrate omnichannel communications, certification, signing, identity and timestamping through a single documented API, secure and built for high volumes.
- Unified API: activate only the services you need
- Enterprise-grade security with full audit trail
- Scales to intensive workloads, without switching providers
curl -X POST https://api.mensatek.com/envios \ -H "Authorization: Bearer YOUR_API_KEY" \ -d canal="sms" \ -d destinatario="+34600123456" \ -d texto="Your appointment is tomorrow at 10:00" \ -d certificado="true" # → 200 OK · evidence with qualified timestamp
What our customers say
"I tried the free credits, everything worked perfectly and I decided to try it with my clients. Within 5 minutes I had a campaign running. It is possibly the simplest service to use I have ever found."
"Until I found Mensatek I was frustrated because messages were not always delivered. I have been delighted ever since — not only because of how powerful the panels are, but because of the complete, direct carrier tracking of every SMS sent."
"I have been using Mensatek for over 4 years. It has helped us professionalise our appointment system, increasing customer satisfaction. I recommend it to anyone who wants to build customer loyalty."
Start sending in minutes
Free sign-up, trial credits included and a platform ready to use with nothing to install. Your communication: more powerful, more secure, always on time.