Definition
An API (application programming interface) is the door a piece of software opens to other software. It describes what can be asked of it (read an invoice, create a contact, book an appointment) and in what form. Your invoicing tool, your CRM, your bank and your advertising tools usually offer one.
When software has no API, what remains is file export, more fragile and less frequent. A documented API is a criterion for choosing a tool, because it determines everything you will be able to plug into it later.
Why it matters to a business owner
For a business owner, the API is what makes possible a cockpit refreshed every morning, an invoice generated when a deal is won, or an AI agent that updates a file. Without an API, every link between two tools is a person copying data.
It also works the other way: exposing an API or an MCP server lets your clients' tools, and now their AI assistants, book an appointment or request a quote from you.
What Stratedge Consulting does
Everything the agency builds is connected to your tools through APIs: back office, portal, mobile app, cockpit. The Cockpit Starter relies on standard connectors; a custom connection to a specific tool is handled as a Sprint from €6,000 excl. VAT. See the Data architecture page.
The Readable by AI agents offer, at €4,000 excl. VAT, exposes one action of your company through an MCP server, with human confirmation and a log of every action, so that your clients' assistants can act with you within the limits you set.
Common mistakes
Choosing a tool without checking its API, then discovering everything has to be re-entered. The question comes up before the subscription is signed.
Wiring tools directly to one another, with no foundation. After several cross-connections, nobody knows which data is authoritative. A consolidated data foundation, fed once by each source, holds up better over time.