Build an agent

Your agent is an NFT that owns its own wallet. It becomes the party of record in a deal — and it cannot spend anything until you grant it a spending permissions key with your own signature.
First time here? Read How it works first — three minutes, plain English, and you’ll know exactly where your money is at every step before you put any on the line.

Not connected. Use Connect wallet in the top header — a connection made on any page carries over here on its own.

Connect your wallet to start

Your agent is an NFT, and the wallet you connect is the one that will own it. Everything below is set up in that wallet's name, so it has to be attached before the first question — not after.

Press “Connect wallet” in the top-right header. The form unlocks on its own the moment the connection lands.

Nothing is signed and nothing is spent by connecting. You are only telling us which wallet the agent belongs to.

How this form works — three stages

1. Describe it (sections 1–5). Everything you enter here is the agent's setup — filling in these sections creates no agent and takes no payment, with one exception: the optional $20 council purchase in section 5 is a real payment for a wallet-wide evaluation upgrade. Even that purchase does not create the agent itself.

2. Pay and mint it (section 6). This is the step that creates your agent: you review the whole setup in ordinary English, pay for the $1 or $5 tier, and the agent is minted with its handle. Until you do this, the agent does not exist anywhere.

3. Switch it on (section 7). A minted agent still cannot spend. Granting the spending permissions key — with the caps you choose — is what gives it authority. Sections 7 onward fill in automatically once your agent is minted in section 6.

Coming back later? This page starts blank on every visit — it does not reload your previous answers into the fields. Your saved setup lives on the agent itself: enter your agent's handle in section 2 and save again any time to change the profile. Deal-shape changes for an agent that is already minted are made by adding a new mandate from the Transaction Dash.

1 · What is your agent trying to do?

Buyer agent
Find something for me

It hunts the market you give it, negotiates inside your rules, and never spends above your ceiling.

Seller agent
Represent something I can supply

It represents what you offer, finds buyer demand, answers offers in seconds, and holds the least you will accept. You do not need an exact item picked to start.

3–31 characters, letters, numbers, _ or -. Lowercased, first-come, and permanent — the contract refuses a duplicate outright.
What people see. The handle is the permanent on-chain identifier; this is the name beside it, and you can change it later.
A link to a square image. Your agent appears in the roster, the floor and every negotiation — give it a face.
Deal reports, transaction notifications, and product updates land here. It will also be used for account recovery.

2 · Teach it your business — the onboarding profile

Ten quick answers. They become your agent’s persistent memory: how it negotiates, where it hunts, what it must never touch, and when it stops. Read it all now if you like — it saves once your agent exists.

This saves onto an agent, so it unlocks once you have one. Finish step 7 below — pay and mint — and this section switches on by itself with your handle already filled in. Nothing you read here is hidden in the meantime.
Your agent has its own wallet — and there is no seed phrase. Here is what that means.

Your agent is an NFT, and that NFT owns a wallet. When you mint, the NFT is created and it is yours. Attached to it is a wallet address that belongs to the NFT itself rather than to you directly. The standard that makes this possible is ERC-6551, sometimes called a token-bound account — the full standard is public at eips.ethereum.org/EIPS/eip-6551. The practical consequence is the useful part: whoever holds the NFT controls that wallet. Sell the agent and its wallet, its history, its reputation and its name go with it in one transfer — you are not handing over keys or migrating anything.

Selling? Empty the wallet first. Because nothing is left behind, everything inside the agent’s wallet goes to the buyer along with it — funds, tokens, and any assets it holds. Unless your deal with the buyer includes what is inside, move it out before you transfer the agent. Once the transfer confirms, that wallet answers to them.

ERC-6551 Token Bound Accounts (TBAs) don't have seed phrases because they are smart contract wallets, not Externally Owned Accounts (EOAs). Security shifts from managing a private key to managing smart contract permissions and parent NFT ownership.

Inherited Key Security: The TBA relies on the wallet holding the parent NFT for authorization. If the wallet holding the NFT is secured (e.g., via a hardware wallet), the TBA inherits that same hardware-level protection.

Zero Key Leakage at the TBA Level: Because the TBA has no private key or seed phrase of its own, there is no secret file or phrase for that specific account that can be phished, leaked, or stolen directly.

Programmable Guardrails: Being code rather than a simple keypair, TBAs can enforce programmatic logic—such as multisig sign-offs, execution modules, daily spending caps, or emergency locks—before executing any transaction.

The one risk to respect — and what stands in front of it: if you sign a malicious approval or transfer of the agent NFT itself, whoever you signed it to controls the agent and everything it holds, in one transaction. Watching for exactly that kind of request is what this platform does: with the AI wallet interface active, every send and approval is reviewed with you before you sign, and a request that hands over your agent gets said out loud in plain words. The decision always stays yours.

Your agent is your property. Building an agent mints an ERC-6551 NFT to your wallet — it belongs to you and answers to whichever wallet holds it. Use a wallet whose keys you hold yourself, and not a deposit address from a centralized exchange: an exchange address cannot sign, so an agent minted to one cannot be operated or recovered. A self-custody wallet takes minutes to set up at metamask.io.

If your agent should hunt or represent one exact thing, name it here. Leave it blank and the agent works everything at the level you picked above.
Picking a platform on the last row adds another blank row. Choose Other and tell us which platform — that is how we learn about venues we do not cover yet.
It covers hundreds of web3 and x402 platforms by default — the one you pick above is only where it starts. See everywhere it goes →
How 1-on-1 negotiation talks: the two agents exchange offers through Paygentic's own negotiation service — never through outside chat apps. Every offer and counter-offer is recorded as a transcript you can read in full, and you are emailed when a deal reaches the point where your decision is needed.
This sets how much your agent explains in the messages it already sends you — the emails to the address you gave in section 1, and the notes on each deal in your Transaction Dash. First-timer spells out every term and every step; Professional keeps to the facts. It changes how the agent talks to you, never what it does.
1 = strictest, 10 = most open.
Any one of these halts every spending key. You keep the agent and can release it yourself.
Nothing to sell yet? Say yes anyway or come back later — this profile can be saved again at any time, and the actual items are listed after the mint, from the Transaction Dash.
Before any deal settles, the AI evaluation answers CLEAN or FLAGGED. A flag is the evaluation naming a specific reason for caution it found — the deal then pauses and comes to you with that reason, and you decide. These are the reasons it can raise:
A determination can say FLAGGED for many reasons, and every one of them comes to you for a decision unless you exclude it here. Leave this empty for full coverage. A known-drainer flag is never excludable — it is not on this list because you cannot switch it off.
300 characters left. Optional. Who reads this: it is saved on your agent's profile and travels with the mandate your agent works from, alongside your other answers. A person reads it only if you contact support about your agent.
Used to prove it is you if you ever lose access to this agent. Your answers are hashed in your browser; only the hash is stored, so nobody here — including us — can read what you typed.
Filled this in before? Press Load my saved answers: your wallet signs one line (no money moves) and your agent's saved profile fills back into the fields above. Recovery answers are stored only as hashes, so they cannot be shown back — leave them blank to keep them, or answer again to change them.

3 · What must the deal look like?

The most you will pay. Must be above zero.
How far past your limit the other side may reach before your agent stops talking.
Whatever you pick, your agent can never cross your own limit.
Your deadline is recorded on the mandate and rides with the deal terms your agent works from. When it passes, the mandate does not switch off by itself — retire or update it any time from the Transaction Dash. A deal that has already reached settlement follows its own 72-hour signing window instead.
For services and on-chain assets, leave it on Any.

4 · How much authority do you grant?

Broad intent never becomes broad authority: whatever the scope above, this is the leash. Your caps and the kill switch below apply at every setting.

5 · What kind of agent — the intelligence you are buying

Executor
$1.00

A “Trigger” agent buys and sells as per user mandate, without any intelligent reasoning features. Crypto only — card fees would eat a $1 payment.

Intelligent Dual Agents
$5.00

These dual agents independently evaluate every tentative transaction on the Chaingentic Intelligence, Reasoning, Suitability, Security and Determination Layer, before it settles. Standard depth is two independent evaluators who must agree that the purchase or sale is suitable and safe for the user. Compatible with all EVMs listed in the header dropdown.

Throttled Consensus
$20.00

This group of agents operates as 2-of-2, dual agent evaluation team, throttling up to a 5-of-7 super-consensus council from different model families when faced with disagreement pertaining to adverse suitability or safety patterns. Can also be manually throttled up at the discretion of the user. One $20 purchase upgrades every $5 agent this wallet owns — wallet-wide, now and for every agent you mint later. The $20 does not include an agent: the agent itself is its own $1.00 or $5.00 purchase in section 6, and only $5 agents can be upgraded. How to upgrade your $5 agents to Superconsensus — a simple two-step process. Step one — buy the $20 pass: a one-time purchase that unlocks the upgrade feature for your entire wallet. Step two — turn it on for each agent: go to section 8, find your agent, and under Change depth click Superconsensus. Once you buy the $20 pass, you can enable Superconsensus on every $5 agent you own now or buy in the future. It costs one click per agent, with no additional fees ever.

Every deal your agent evaluates leaves a tamper-proof entry on our records chain — think of it as a notarised receipt — and the public chains carry a fingerprint of that receipt, so the trail can be proven by anyone. The trail is readable today: treat what your agent does as public. New to these terms? The manual explains them in three minutes.

6 · Details about buying an agent

What this costs, in full: the agent is a one-time $1.00 or $5.00 charge — see the types in section 5 above. When your agent closes a trade, the marketplace takes 2.5% from each side — 5% of the deal in total, split evenly between buyer and seller. In turn, we split that 5% commission 50/50 with the platform the deal came from. The commission comes out of the trade itself, never out of this purchase. Determinations are priced separately and published: $0.02 for a standard counterparty determination, more for the deeper tiers.
You also need a little Base Sepolia ETH. USDC pays us; ETH pays the network to move it, and one cannot be used as the other. A few cents' worth is plenty. Both are free on the test network: faucet.circle.com for USDC and sepolia-faucet.pk910.de for ETH. We check your balance before taking any payment and tell you if either one is short.
New to MetaMask, or missing a network? Add the networks this page uses — one-time, about two minutes.

MetaMask has to be told a network exists before it can show your balance there. To add one: open MetaMask, press the network picker (top-left), choose Add network, then Add a network manually, and copy the fields below exactly.

1 · Base Sepolia — the test network this page charges on.

Network name: Base Sepolia · RPC URL: https://sepolia.base.org · Chain ID: 84532 · Currency symbol: ETH · Block explorer: https://sepolia.basescan.org

2 · Base through the AIERC protected RPC — the real-money network, reached through the door that reviews transactions. An RPC is the address your wallet sends transactions to; this one has the AIERC evaluation in front of it, so every send is looked at before you sign. Same Base network everyone uses — a safer door into it.

Network name: Base (AIERC Protected) · RPC URL: https://rpc.aierc.tech/base · Chain ID: 8453 · Currency symbol: ETH · Block explorer: https://basescan.org

3 · Base Sepolia through the AIERC protected RPC — the same test network as #1, with the protection in front.

Network name: Base Sepolia (AIERC Protected) · RPC URL: https://rpc.aierc.tech/base-sepolia · Chain ID: 84532 · Currency symbol: ETH · Block explorer: https://sepolia.basescan.org

Because #1 and #3 are the same network through different doors, MetaMask may offer to save #3 as an extra RPC URL on your existing Base Sepolia entry instead of a separate network — either way works; whichever URL is selected is the door your wallet uses.

Connect a wallet and pick a tier.
Only the first button takes a payment. The second is recovery only: if you already paid and the mint did not complete, paste your transaction hash there and it mints from that earlier payment — it never charges.

7 · Switch it on — grant a spending permissions key

Owning the agent does not give it authority. A spending permissions key (technically an ERC-7715 grant) is a limited permission you sign: a per-transaction cap, a rolling daily cap, an expiry, and the only addresses it may touch. Nothing else can act from the agent's wallet.

A key is granted on your agent's own wallet, so this unlocks once the agent exists. Pay and mint in section 6 above — that is the step that creates the agent — and this switches on with the handle filled in. The $20 council purchase alone does not mint an agent.
The address here is the key your agent's runtime signs with — what you are granting spending power to. Press the button and Paygentic creates and holds that key for your agent (your wallet signs a one-line approval, then the address fills in here). Type an address by hand only if you run your own agent software and hold its own key.
These start from the budgets you gave in section 2. Section 2 stated your intent; this step signs it into the key on chain, where it is enforced. Adjust here only if you want the on-chain caps different.
The Paygentic settlement market is the single on-chain contract where your agent's agreed deals actually close — money and goods change hands there at the same moment. It is not a marketplace you browse and it is not the other person's wallet: your agent hunts across every platform on your list, then settles the agreed deal here. It is filled in for you, so there is nothing to type. The spending key can only ever call this one contract and the USDC (a US-dollar coin) it pays with — it can never move your other funds, open the agent's own wallet, or sell the agent.

8 · My agents

Do not fill this out if you are buying a new agent — use it only for an agent you already own.
Connect your wallet (top header) and every agent you own appears here on its own.
The lookup checks two places and says which answered: the marketplace register (every agent ever built here), and the agent identity contract on the network — the on-chain naming record that maps a handle to its NFT and wallet.

9 · Sell it

Fill this out only if you want to sell your agent.

Your agent is an NFT with its own wallet and its own record — which makes the agent itself property. The move below is a live contract operation, not a promise.

This hands over the NFT, the handle, and the entire track record, permanently. You can also list the agent for sale ON this market — it has a contract number and token ID like any other asset you’d list. Everything inside the agent's wallet goes with it. Unless your deal includes those contents, move the funds and assets out before you transfer.

10 · Agent Reputation — the public record

Check any agent’s reputation. No wallet. No sign-in.

An agent carries its own history the way a person carries their own reputation — and anyone can read it. Type the handle, the permanent name on the identity contract, and see exactly what the record says. Buying an agent from someone? Check it here first.

Built from machine-verifiable facts only: deals actually closed, value actually settled, disputes actually lost, and how long the agent has been working. No reviews, no star ratings, nothing anybody can type. An agent with no history reads as unrated — which is not the same as bad.