Api detailed requirement sheet mailed to client

Here is a sample API detailed requirement sheet that can be mailed to a client:

API Detailed Requirement Sheet

Project Name: [Insert project name] API Name: [Insert API name] Version: [Insert version number] Date: [Insert date]

Overview:

The purpose of this API is to [briefly describe the purpose of the API]. The API will provide [list the main functionalities of the API].

Technical Requirements:

• API Endpoints: The API will have the following endpoints:
  • [Endpoint 1]: [Description of endpoint 1]
  • [Endpoint 2]: [Description of endpoint 2] +...
• API Methods: The API will support the following HTTP methods:
  • GET
  • POST
  • PUT
  • DELETE +...
• API Request/Response Formats: The API will use the following formats for requests and responses:
  • JSON
  • XML +...
• API Authentication: The API will use the following authentication mechanism:
  • [Authentication mechanism, e.g. OAuth, API key, etc.]
• API Rate Limiting: The API will have the following rate limiting policies:
  • [Rate limiting policy, e.g. 100 requests per minute, etc.]

Data Requirements:

• Data Structures: The API will use the following data structures:
  • [Data structure 1]: [Description of data structure 1]
  • [Data structure 2]: [Description of data structure 2] +...
• Data Formats: The API will use the following formats for data:
  • JSON
  • XML +...
• Data Validation: The API will validate the following data:
  • [Data field 1]: [Validation rules for data field 1]
  • [Data field 2]: [Validation rules for data field 2] +...

Error Handling:

• Error Codes: The API will return the following error codes:
  • [Error code 1]: [Description of error code 1]
  • [Error code 2]: [Description of error code 2] +...
• Error Messages: The API will return the following error messages:
  • [Error message 1]: [Description of error message 1]
  • [Error message 2]: [Description of error message 2] +...

Security Requirements:

• Data Encryption: The API will use the following encryption mechanism:
  • [Encryption mechanism, e.g. SSL/TLS, etc.]
• Access Control: The API will use the following access control mechanism:
  • [Access control mechanism, e.g. role-based access control, etc.]

Testing Requirements:

• Testing Environment: The API will be tested in the following environment:
  • [Testing environment, e.g. local machine, cloud environment, etc.]
• Testing Tools: The API will be tested using the following tools:
  • [Testing tool 1]: [Description of testing tool 1]
  • [Testing tool 2]: [Description of testing tool 2] +...
• Testing Scenarios: The API will be tested using the following scenarios:
  • [Scenario 1]: [Description of scenario 1]
  • [Scenario 2]: [Description of scenario 2] +...

Deployment Requirements:

• Deployment Environment: The API will be deployed in the following environment:
  • [Deployment environment, e.g. cloud environment, etc.]
• Deployment Tools: The API will be deployed using the following tools:
  • [Deployment tool 1]: [Description of deployment tool 1]
  • [Deployment tool 2]: [Description of deployment tool 2] +...
• Deployment Schedule: The API will be deployed on the following schedule:
  • [Deployment schedule, e.g. daily, weekly, etc.]

Support Requirements:

• Support Contact: The API will be supported by the following contact:
  • [Support contact name]: [Support contact email]
  • [Support contact phone number]
• Support Hours: The API will be supported during the following hours:
  • [Support hours, e.g. 9am-5pm, etc.]
• Support Response Time: The API will respond to support requests within the following time frame:
  • [Support response time, e.g. 1 hour, etc.]

Acceptance Criteria:

• Acceptance Criteria: The API will be considered accepted when it meets the following criteria:
  • [Acceptance criterion 1]: [Description of acceptance criterion 1]
  • [Acceptance criterion 2]: [Description of acceptance criterion 2] +...

Timeline:

• Project Timeline: The project timeline is as follows:
  • [Start date]: [Start date]
  • [End date]: [End date]
• Milestones: The project milestones are as follows:
  • [Milestone 1]: [Description of milestone 1]
  • [Milestone 2]: [Description of milestone 2] +...

Budget:

• Budget: The budget for this project is [insert budget amount].

Conclusion:

This API detailed requirement sheet outlines the technical, data, error handling, security, testing, deployment, support, and acceptance criteria for the API. We believe that this API will meet the client's requirements and provide a high-quality solution.

Please review this document carefully and let us know if you have any questions or concerns.

Thank you for your business.

Best regards, [Your Name] [Your Company] [Your Contact Information]