1. Determine the protocol used by the interface 2. Determine the data format json or xml returned by the interface 3. Determine the specification returned by the interface 4. Write the interface document 5. Jointly debug the interface with the caller
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1. Determine the protocol used by the interface
2. Determine the data format json or xml returned by the interface
3. Determine the specification returned by the interface
4. Write the interface document
5. Jointly debug the interface with the caller