Documentation Index
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What a payment, a refill and a swap cost, and the limits that apply.
| Action | Cost to you |
|---|---|
| Creating and activating a card | Free |
| Paying with the card | Free. B402 pays the network fee, so the card never holds BNB |
| Topping up the card | Whatever your sending wallet charges for a BSC transfer |
| An agent refill | The swap’s price impact, plus a little BNB gas from the agent wallet for plain swaps (about 0.0001 BNB each). Ondo trades are relayed by Binance and cost the agent 0 BNB |
| Limit | Value | Set by |
|---|---|---|
| Smallest agent trade | $5 | Binance rejects market orders below this |
| Most the agent can send a day | Your choice | The daily limit in your Agentic Wallet settings, in the Binance App |
| Where the agent can send | Your card only | The address book in your Agentic Wallet, in the Binance App |
| Target split | Must add up to 100% | The app |
| Cards per person | One | Didit: a second card for the same ID ends as ID already used |
