GET /ledger/crypto-beneficiaries— list saved beneficiaries.POST /ledger/crypto-beneficiaries— add a beneficiary (wallet address + network).GET /ledger/crypto-beneficiaries/{beneficiaryId}— fetch a single beneficiary.DELETE /ledger/crypto-beneficiaries/{beneficiaryId}— remove a beneficiary.
account_activity.crypto_beneficiary.*
webhook — see Webhooks for Stablecoin Transactions.