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All webhook payloads follow a consistent JSON structure.

Standard Payload Structure

HTTP Headers

Each webhook request includes the following headers:

Example: Order Created Payload

Data Types

  • Monetary values: All monetary values are in the smallest currency unit (e.g., pence for GBP, cents for USD)
  • Timestamps: All timestamps are in ISO 8601 format (UTC)
  • IDs: String identifiers for orders, alphanumeric codes for collection codes