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NFTs

Buy, sell, mint, and transfer NFTs across EVM chains.

Supported Chains​

NFT operations are available on:

  • Base
  • Ethereum
  • Polygon
  • Unichain
  • Arbitrum
  • Robinhood Chain

Not available on Solana.

Viewing NFTs​

Your Collection​

"show my NFTs"
"what NFTs do I own?"
"my NFTs on base"

Collection Info​

"show the floor price for Nouns"
"trending NFT collections"
"top NFTs on base"

Buying NFTs​

From OpenSea​

"buy this NFT: [opensea link]"
"buy the cheapest Noun"
"buy floor Pudgy Penguin"

By Collection​

"buy the cheapest NFT from Nouns"
"show me listings for Based Punks under 0.1 ETH"

When you buy a specific NFT (not the floor) from your Bankr wallet and are short of the listing's currency, Bankr swaps in the difference from stablecoins or native tokens on the same chain as part of the purchase — only when Bankr is sponsoring the gas.

Selling NFTs​

List for Sale​

"list my Noun #123 for 50 ETH"
"sell my NFT for 0.5 ETH"

Cancel Listing​

"cancel my NFT listing"
"remove my Noun from sale"

Accept Offers​

Ask what the best standing offer is before you decide:

"what offers do I have on my NFTs?"
"what's the best offer on my Noun #123?"
"accept the best offer on my Noun"

Best-offer lookups are per NFT, not per collection. If that token has no live offers, Bankr says so — that's a normal answer, not an error. An unrecognized collection is a separate, explicit error, so "no offers" genuinely means no offers.

Making Offers (Bids)​

You can bid on a whole collection: one offer, good for any NFT in it, live until someone accepts it, it expires, or you cancel.

"bid 0.02 WETH on any okcomputers NFT"
"offer 0.5 each for 3 Bored Apes, expiring in 2 days"

Give a price per NFT (not a total), plus an optional quantity and expiration.

Cancel Your Offers​

"cancel my offer on okcomputers"
"retract my bid on Bored Ape Yacht Club"

This cancels every open collection offer you have on that collection in one transaction. It does not cancel your listings (use "cancel my NFT listing") or decline offers you've received.

Bids are paid in an ERC-20

Seaport can't pull native ETH from a bidder, so collection offers are denominated in WETH — or whatever currency the collection pins (some Robinhood Chain collections use USDG). If your WETH balance is short, Bankr wraps the difference from ETH automatically.

A live offer holds an ERC-20 approval open until it's accepted, expires, or you cancel it. OpenSea also enforces per-collection minimums and bid increments, so a very small bid can be rejected.

Minting NFTs​

Manifold​

Base and Ethereum only — narrower than the chain list above.

"mint from [manifold link]"
"mint this NFT: https://app.manifold.xyz/..."

SeaDrop​

"mint from [seadrop link]"

Transferring NFTs​

"send my Noun #123 to 0x1234..."
"transfer my NFT to vitalik.eth"
"send this NFT to @username"

Searching​

Look up a collection by name, contract address or OpenSea link, or search for an individual NFT — a graded trading card, say — by its own name:

"search for Pudgy Penguins"
"find NFT collection: Based Punks"
"find a PSA 10 Charizard card and show prices"

Item search returns up to 10 matches with their chain and token ID; ask for prices and listed items come first.

Examples​

Buy a Specific NFT​

"buy https://opensea.io/assets/base/0x1234.../1"

Buy Floor​

"buy the cheapest Noun"
"buy floor Based Punk"

Floor listings get sniped. If the listing Bankr picked is bought out from under you mid-purchase, the agent moves on to the next-cheapest listing instead of failing — up to three purchase attempts, with your maxPrice and the wallet safety checks re-run against each one. A substitution is never silent: the reply and the activity record name the listing that was actually bought. Once a purchase has been broadcast there's no fallback, so a failure after that point is reported as-is.

List and Sell​

"list my NFT #42 for 1 ETH on base"

Check Offers​

"show offers on my NFTs"
"best offer for my Noun?"

Pricing​

  • Currency is a property of the collection, not the chain — most price in native ETH or WETH, but some pin something else (e.g. USDG on Robinhood Chain). Bankr reads it per collection and quotes you in that currency; buying an ERC-20-priced listing first approves exactly the purchase amount
  • Bids are always in an ERC-20 (see Making Offers)
  • Ensure sufficient balance for purchase + gas
  • OpenSea fees apply on sales

Tips​

The most reliable way to identify an NFT:

"buy this: [opensea link]"

Check Before Buying​

"show details for [opensea link]"

Then:

"buy it"

Verify Transfers​

Always double-check recipient addresses—NFT transfers are irreversible.

Limitations​

  • Not available on Solana
  • Some collections may not be indexed
  • Marketplace fees vary by platform
  • Making a collection offer requires a Bankr wallet — the bid needs an off-chain signature the connected-wallet flow can't request