Date: 20.11.2025 (2025-11-20)
Maesn (20.11.2025) • Can I do pre-accounting? Are there any limitations? • 2. "Do you provide a sandbox/test environment for DATEV?" • 7. "For DATEV, do we need separate OAuth clients for Rechnungswesen vs Unternehmen Online?" • Can we create paymetns? • How does the activation process look like for a customer= • 9. "How do you handle when a user's DATEV system is offline?" • What is your SLA? • What about SAP integrations? (Its only SAP Business One and it is coming soon) • Pricing? Development partnership? • How well does the feature work of getting data out of Datev? • We are working with tax advisors - what if we e.g. want to push a certain integration? Is there the potential to influence their roadmap? • Do they have a DPA or other GDPR documentation? • Datev has webservices you can send data to • They map data model of Datev to their data model • Getting API certified takes a lot of time • Next step: Product demo -> process (60min) • We need time to test the API; one day of one developer • Commercials • 10k API calls / month -> 1,200 EUR (yearly contract) • 1k more -> 25 EUR • Charged upfront • Ramp up phase: 3 months • 600 EUR per month; then 75% after 6 months • From month 4 on full price • Make a Gegenvorschlag • Quickbooks, Sage, Odoo ->
2nd meeting: • A few days • Process: • Send document to DOU always - booking • They do the certification for us -> we do not have to do anything -> they are a whitelabel partner • Market place listing is a larger process • We do it together with Datev but we have to do some interviews ourselves • Datev has a sandbox just as an API -> we can shoot against it • Maesn has a real environment -> with UI (9am to 6pm working time) • No SLA • For Datev we need to found a company in Germany • Postman demo exists • We store one key from maesn and a key for every user account • The key for user is just a hash - no specific • Refresh of keys: they handle refresh on their end • Process: • For other systems: create app and send client secret to them • Datev is different: they create the app • They are able to read data from Rewe - e.g. bookings • New endpoint: they build it if it exists in the source system • Add a new additional system -> has to be part of the contract that they build it • BMD: they want to build it next year (Q1 and Q2) • Abacus: they have a limited API as well •