Create Auto-Conversion Rule

Create an Auto-Conversion Rule for fiat<->crypto conversions.

Supported Assets:

• USD, USDC, USDT, PYUSD, RLUSD, USDG, USDP, EURC, MXNB Supported Networks:
• Fiat networks: US_ACH, US_FEDWIRE, SWIFT
• Crypto networks: ETHEREUM, POLYGON, BASE, ARBITRUM, AVALANCHE, BNBCHAIN, SOLANA

Validation Rules:

• Must be fiat<->crypto conversion (fiat->fiat and crypto->crypto are NOT supported)
• Idempotency-Key header is required and must be a valid UUID v4
• Source network must match asset type (fiat asset requires fiat network, crypto asset requires crypto network)
• For crypto destination: network is required
• For fiat destination: network will be omitted

Withdrawal Configuration:

• Fiat->Crypto with withdrawal: provide wallet_address (external crypto wallet address)
• Crypto->Fiat with withdrawal: provide external_account_id (bank account ID from external-accounts API)
• Conversion-only (no withdrawal): omit both fields, converted funds remain in customer's account

Response: Returns created Auto-Conversion Rule with source_deposit_info containing bank deposit details or crypto wallet address for funding.