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API Explorer
https://obp-api-sandbox.nmbbank.co.tz

Customer.customerId

Example value: 7uy8a7e4-6d02-40e3-a129-0b2bf89de8uh

Description: A non human friendly string that identifies the customer and is used in URLs. This SHOULD NOT be the customer number. The combination of customerId and bankId MUST be unique on an OBP instance. customerId SHOULD be unique on an OBP instance. Ideally customerId is a UUID. A mapping between customer number and customer id is kept in OBP.