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Interact with mittwald mStudio API

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Overview

This node provides address verification functionality. It allows users to verify the validity and correctness of a postal address by submitting key address components such as city, country, street (including house number), and zip code. This is useful in scenarios where accurate address data is critical, for example:

  • Validating customer shipping addresses before order fulfillment.
  • Ensuring address data quality in CRM or marketing databases.
  • Verifying user input in web forms to reduce errors and improve delivery success.

A practical example would be an e-commerce workflow that uses this node to confirm the entered shipping address is valid before proceeding with payment and shipment.

Properties

Name Meaning
City The city part of the address to verify.
Country The country of the address. Accepts full English or German country names or ISO 3166-2 codes.
Street The street name including the house number.
Zip The postal/zip code of the address.

Output

The node outputs JSON data containing the verification results of the provided address. The exact structure depends on the external API response but typically includes fields indicating whether the address is valid, standardized address components, and possibly error or warning messages if the address could not be verified.

No binary data output is indicated.

Dependencies

  • Requires an API key credential for authentication with the mittwald mStudio API.
  • The node sends requests to https://api.mittwald.de with JSON payloads.
  • Proper configuration of the API key credential within n8n is necessary for successful operation.

Troubleshooting

  • Invalid or missing API credentials: Ensure the API key credential is correctly set up and has the required permissions.
  • Incorrect address format: Verify that all required fields (city, country, street, zip) are provided and correctly formatted.
  • Unsupported country codes or names: Use valid English or German country names or ISO 3166-2 codes.
  • Network or API errors: Check network connectivity and API service status; handle rate limits or downtime gracefully.
  • Error messages from API: Review the returned error details to adjust input data or retry later.

Links and References

Discussion