The work behind the opportunity
Make success, failure and support part of the interface.
A useful proposal connects the technical work with the result your organisation needs. Explore the parts of this service that make the difference.
01Define the business exchange
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Identify the source and destination, the records involved and which system is authoritative. Describe timing, validation and the people affected. The provider should understand the process behind the API rather than only the available endpoints.
02Compare interface behaviour
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Ask how the design handles authentication, changing schemas, service limits and incomplete responses. Include retries, duplicate handling and exception ownership where relevant. Compare dependencies on third-party products and access the client must obtain.
03Prepare for maintenance
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Specify monitoring, operational records and the process for diagnosing a failed exchange. Clarify documentation, code ownership, environments and support. The client should know who acts when either connected application changes.