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Technical guidance

This section describes the general technical guidelines for the Vero API interfaces. This section is especially useful for a software developer who is starting to develop and use Vero API interface integration for the first time.

For more detailed technical descriptions of the interfaces, as well as guidelines can be found in the API Portal documentation for each interface.

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Vero API interface technology in summary:

HTTP REST-interface

HTTPS/TLS 1.2+

JSON payload

Client certificate authentication (mTLS)

Software specific API key in vero-softwarekey header

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Summary of the Vero API Environments

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Production

Environment: Production

Certificate: Production certificate

API key header: Vero-SoftwareKey

URL Production: api.vero.fi

Description: Vero API production

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Integration Verification

Environment: Integration Verification

Certificate: Production certificate

API key header: Vero-SoftwareKey

URL Integration Verification: api.vero.fi/xx/yy/Verification

Description: Test procedure to get access to production interfaces

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Test

Environment: Test

Certificate: Test certificate

API key header: Vero-SoftwareKey, the value is not checked

URL Test: apitest.vero.fi

Description: Test interfaces 

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Sandbox

Environment: Sandbox

Certificate: No certificate

API key header: Ocp-Apim-Subscription-Key header

Interface URL: https://api-sandbox.vero.fi/…

Description: Simple mock interfaces for initial tests

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Page last updated 2/27/2026