Maesn

Maesn

Maesn GmbH
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About

Maesn is a Unified API for ERP and accounting integrations. Software teams build one integration to Maesn and connect to DATEV, SAP, Sage, Microsoft Dynamics 365, Exact Online, Lexware, sevdesk, Xero, Odoo, Fortnox and 30+ more systems through a single REST API. Maesn unifies authentication (API keys, OAuth, database credentials, 2FA), pagination and filtering, webhooks, logging, monitoring and error handling, and normalises responses into a common data model for invoices, journal entries, contacts, payments and more. Custom fields are mapped into one schema, and synthetic webhooks cover systems without native ones. SDKs, sandboxes and quickstarts are available for Python, JavaScript, PHP, Go, Ruby and Java. Integrations run white-label under your brand, including certified marketplace listings and an embedded auth flow. Maesn is built and hosted in Germany, ISO 27001 certified, GDPR compliant and DORA-ready, and processes API calls in real time without storing customer data.

About

Zavu is one API for all your messages, built to send and receive SMS, WhatsApp, Email, Voice, Telegram, and more from a single integration. It helps developers ship messaging instead of maintaining messaging infrastructure, replacing separate APIs, SDKs, auth models, webhook formats, sender setup, template approvals, and error handling with one SDK, one webhook format, and one dashboard. Zavu is also built for AI agents from day one: agents can send SMS, WhatsApp, Email, and Voice globally, while developers can use production-ready SDKs across languages such as Node.js, Python, Ruby, Go, PHP, and Java. Its Smart Send and AI Routing features pick SMS, WhatsApp, or Email per contact, choose the best or cheapest delivery path using platform-wide delivery intelligence, and fall back automatically when a channel fails. Context is preserved, delivery is deduplicated, and cost is tracked end-to-end across the fallback chain.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

B2B software vendors (SaaS, fintech, AP automation, AI), enterprise IT teams and tax advisory firms that need integrations to ERP and accounting systems

Audience

Developers and AI agent teams that need one reliable API to send, receive, route, monitor, and automate messages across every major communication channel

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

$21 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Maesn GmbH
Founded: 2022
Germany
www.maesn.com

Company Information

Zavu
Founded: 2025
United States
www.zavu.dev/

Alternatives

Alternatives

Categories

Unified APIs Supported

Categories

SMS API Supported

Integrations

Claude Not Supported
Claude Code Not Supported
Facebook Not Supported
Facebook Messenger Not Supported
Go Not Supported
Instagram Not Supported
Java Not Supported
Node.js Not Supported
PHP Not Supported
Python Not Supported
Ruby Not Supported
Telegram Not Supported
WhatsApp Not Supported

Integrations

Claude Supported
Claude Code Supported
Facebook Supported
Facebook Messenger Supported
Go Supported
Instagram Supported
Java Supported
Node.js Supported
PHP Supported
Python Supported
Ruby Supported
Telegram Supported
WhatsApp Supported
Claim Maesn and update features and information
Claim Maesn and update features and information
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Claim Zavu and update features and information