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Summa

Consume Summa API (v.0.1.7)

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Overview

The node named "Summa" integrates with the Summa API (version indicated in the code) to perform various operations on different resources. Specifically, for the HLR Subscription resource and the Add USSD Profile operation, this node allows users to add a USSD profile to an HLR subscription by providing necessary identifiers.

This node is beneficial in telecom or mobile network management scenarios where automated provisioning or updating of subscriber profiles is required. For example, a telecom operator could use this node to programmatically assign USSD profiles to subscribers based on their IMSI numbers, enabling specific USSD services or menus.

Properties

Name Meaning
Imsi The IMSI (International Mobile Subscriber Identity) number identifying the subscriber.
Ussd Profile The USSD profile string to be added to the HLR subscription for the given IMSI.

Both properties are required inputs when performing the Add USSD Profile operation on the HLR Subscription resource.

Output

The node outputs JSON data representing the result of the API call to add the USSD profile. This typically includes confirmation of success or failure, and may contain details about the updated subscription or error messages from the API.

No binary data output is indicated in the source code.

Dependencies

  • Requires an API key credential for authenticating with the Summa API.
  • Uses an HTTP client internally to communicate with the Summa backend service.
  • The node depends on the summaApi credential configured in n8n for authentication.
  • No additional environment variables or external dependencies are explicitly required.

Troubleshooting

  • Common issues:

    • Invalid or missing IMSI or USSD Profile values will likely cause the API call to fail.
    • Authentication errors if the API key credential is incorrect or expired.
    • Network connectivity problems preventing communication with the Summa API endpoint.
  • Error messages:

    • Authentication failures usually indicate invalid credentials; verify and update the API key.
    • Validation errors from the API may specify which input property is incorrect or missing.
    • Timeout or connection errors suggest checking network access or API availability.

Links and References

  • Summa API documentation (not provided in the source, but should be consulted for detailed API usage)
  • n8n documentation on creating and using API credentials
  • General information on IMSI and USSD profiles in mobile networks for context

Discussion