How to check account memo requirement

This recipe demonstrates how to query whether a given FT4 account requires a memo for transfers on the Chromia blockchain. This is useful before sending transfers to ensure compliance with the recipient's requirements.

JS/TS client

Prerequisites

• Node.js
• Postchain client: npm install postchain-client

Demo script

• Check account memo requirement demo

Key Features

This recipe includes examples for:

• Account memo queries - Using the does_account_require_memo query operation
• Pre-transfer validation - Checking requirements before initiating transfers
• Account compliance - Ensuring transfers meet recipient account settings
• Simple query execution - Demonstrating basic blockchain query patterns

Query Operation

The recipe uses the does_account_require_memo query which:

• Input: Account ID (Buffer/hex format)
• Output: Boolean indicating whether memo is required
• Purpose: Validates transfer requirements before execution

Use Cases

This query is particularly useful for:

• Payment processors - Ensuring all transfers include required memos
• Exchange integrations - Validating withdrawal requirements
• Wallet applications - Warning users about memo requirements
• Automated systems - Pre-validating transfer compliance

Learn more

• JavaScript/TypeScript client — covers setup, connection, and usage patterns.
• FT4 client documentation — covers account management and FT4 operations.
• Asset management — detailed guide on FT4 transfers and memo requirements.