Get Started
Set up an account on the 0x Dashboard to generate API keys, manage your apps, tap into more developer resources.
Follow these steps to get started, in less than 5 minutes!
1. Create a 0x Account
To create an account on the 0x Dashboard, click Sign Up, enter your name, email address and password, and click Continue
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2. Create a Team
Once verified, you'll be prompted to create a team on 0x. Decide on a team name and select the type of project you are building. You can share this account with your teammates.
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3. Tour the Dashboard
3.1 Create an App
Click Create an app to get a live API key that has access to multiple 0x products.
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From the pop-up, enter your app's name and which 0x products (Swap API and Gasless API) should be enabled for this API key, then click Continue.
You will still be able to update the 0x products this key can unlock even after the app has been created.
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3.2 Reveal Your API Key
This key is unique and tied to your app. Do not share it. You can also create additional API keys for the app if you need them.
Your API keys will allow you to authenticate requests on 0x. Remember to specify the key in your requests via the 0x-api-key
header parameter:
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3.3 Make Your First 0x API Call
Run this curl request to see a live quote response for selling 100,000 WETH to buy DAI on Ethereum Mainnet:
// Sell 100,000 WETH for DAI
// Taker address is vitalik.eth
// Replace "YOUR_API_KEY" with your actual API key from https://dashboard.0x.org/create-account
curl --request GET \
--url "https://api.0x.org/swap/permit2/quote?sellAmount=100000000000000000000000&taker=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045&chainId=1&sellToken=0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2&buyToken=0x6b175474e89094c44da98b954eedeac495271d0f" \
--header "0x-api-key: YOUR_API_KEY" \
--header "0x-version: v2"
You will receive a response that looks like this:
Expand to see response
{
"blockNumber": "21876249",
"buyAmount": "145110588712348756365465945",
"buyToken": "0x6b175474e89094c44da98b954eedeac495271d0f",
"fees": {
"integratorFee": null,
"zeroExFee": {
"amount": "207515265570963324735062",
"token": "0x6b175474e89094c44da98b954eedeac495271d0f",
"type": "volume"
},
"gasFee": null
},
"issues": {
"allowance": {
"actual": "0",
"spender": "0x000000000022d473030f116ddee9f6b43ac78ba3"
},
"balance": {
"token": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"actual": "16320309787715287566",
"expected": "100000000000000000000000"
},
"simulationIncomplete": false,
"invalidSourcesPassed": []
},
"liquidityAvailable": true,
"minBuyAmount": "143659482825225268801805400",
"permit2": {
"type": "Permit2",
"hash": "0xafb2c83591d83ec04d0792eaa00d36f5a509dfab6666fa787e310afa276bf379",
"eip712": {
"types": {
"PermitTransferFrom": [
{
"name": "permitted",
"type": "TokenPermissions"
},
{
"name": "spender",
"type": "address"
},
{
"name": "nonce",
"type": "uint256"
},
{
"name": "deadline",
"type": "uint256"
}
],
"TokenPermissions": [
{
"name": "token",
"type": "address"
},
{
"name": "amount",
"type": "uint256"
}
],
"EIP712Domain": [
{
"name": "name",
"type": "string"
},
{
"name": "chainId",
"type": "uint256"
},
{
"name": "verifyingContract",
"type": "address"
}
]
},
"domain": {
"name": "Permit2",
"chainId": 1,
"verifyingContract": "0x000000000022d473030f116ddee9f6b43ac78ba3"
},
"message": {
"permitted": {
"token": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"amount": "100000000000000000000000"
},
"spender": "0x0d0e364aa7852291883c162b22d6d81f6355428f",
"nonce": "2241959297937691820908574931991559",
"deadline": "1739918089"
},
"primaryType": "PermitTransferFrom"
}
},
"route": {
"fills": [
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Uniswap_V3",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Uniswap_V3",
"proportionBps": "749"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Curve",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Curve",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "SushiSwap",
"proportionBps": "500"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Uniswap_V2",
"proportionBps": "251"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "Uniswap_V3",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "SushiSwap",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "Uniswap_V2",
"proportionBps": "500"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V3",
"proportionBps": "499"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V3",
"proportionBps": "749"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V3",
"proportionBps": "249"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V2",
"proportionBps": "1583"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "SushiSwap",
"proportionBps": "499"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Fluid",
"proportionBps": "249"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V4",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xf939e0a03fb07f59a73314e73794be0e57ac1b4e",
"source": "Curve",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "Uniswap_V3",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "Uniswap_V3",
"proportionBps": "750"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "Uniswap_V3",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "PancakeSwap_V3",
"proportionBps": "250"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "Uniswap_V2",
"proportionBps": "750"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "0x_RFQ",
"proportionBps": "83"
},
{
"from": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"to": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"source": "0x_RFQ",
"proportionBps": "84"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "Curve",
"proportionBps": "1942"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0xf939e0a03fb07f59a73314e73794be0e57ac1b4e",
"source": "Curve",
"proportionBps": "323"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "Uniswap_V3",
"proportionBps": "86"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "0x_RFQ",
"proportionBps": "21"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "0x_RFQ",
"proportionBps": "21"
},
{
"from": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"to": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"source": "0x_RFQ",
"proportionBps": "22"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "0x_RFQ",
"proportionBps": "57"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "0x_RFQ",
"proportionBps": "57"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V3",
"proportionBps": "38"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Uniswap_V3",
"proportionBps": "1696"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Curve",
"proportionBps": "343"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "0x_RFQ",
"proportionBps": "133"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "0x_RFQ",
"proportionBps": "19"
},
{
"from": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "0x_RFQ",
"proportionBps": "58"
},
{
"from": "0xf939e0a03fb07f59a73314e73794be0e57ac1b4e",
"to": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"source": "Curve",
"proportionBps": "573"
},
{
"from": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"to": "0x6b175474e89094c44da98b954eedeac495271d0f",
"source": "Maker_PSM",
"proportionBps": "6944"
}
],
"tokens": [
{
"address": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"symbol": "WETH"
},
{
"address": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"symbol": "USDT"
},
{
"address": "0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
"symbol": "WBTC"
},
{
"address": "0xf939e0a03fb07f59a73314e73794be0e57ac1b4e",
"symbol": "crvUSD"
},
{
"address": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"symbol": "USDC"
},
{
"address": "0x6b175474e89094c44da98b954eedeac495271d0f",
"symbol": "DAI"
}
]
},
"sellAmount": "100000000000000000000000",
"sellToken": "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
"tokenMetadata": {
"buyToken": {
"buyTaxBps": "0",
"sellTaxBps": "0"
},
"sellToken": {
"buyTaxBps": "0",
"sellTaxBps": "0"
}
},
"totalNetworkFee": "54779430334381092",
"transaction": {
"to": "0x0d0e364aa7852291883c162b22d6d81f6355428f",
"data": 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"gas": "53043726",
"gasPrice": "1032722142",
"value": "0"
},
"zid": "0x4394c57eeb18c52d02b7516f"
}
This is a valid unsigned Ethereum transaction that can be signed and submitted directly to a node to complete the swap. Read more about the parameters here.
To find a list of all networks supported by 0x, check out the 0x Cheat Sheet.
4. Manage Your App
From the main dashboard screen, you can see all the apps you have created:
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Click on an App to open up details about its API request health:

For each App, you can see the following:
- Which 0x products are enabled for your API key - Swap API and Gasless API
- From API Key, see all the API keys associated with this app and create or delete keys.
- From Settings, change the 0x products enabled for this app. Set your 0x Explorer Tag. Change the App Name.
- Toggle to view the total API requests and the API error rate for this app.
5. Manage Your Account
You can find additional settings to manage your account from Your Account Avatar in the top-right corner.

- Settings - You can see your full name, team name, and account email, as well as change your password.
- Contact Support - Have a question? Reach out to our dev support team.
- Docs - Jump into our developer docs and start building
- Help - Need help? Check out our commonly asked questions and help center.
- 0x Explorer - If you have a 0x Explorer tag setup, easily analyze your app's on-chain activity and transactions. Learn more about the 0x Explorer Tag.
6. Have a Question?
If you are logged-in to the 0x Dashboard, you have a direct line to our team via the Intercom Messenger for Developer Support in the bottom right of the dashboard.
Additionally, the 0x Help Center is a great place to start if you have questions about 0x subscriptions, integration best practicies, and troubleshooting guides.
7. Start Building
Now that you have a live API key, dive into our building resources and start building!
- 🔄 Swap API
- Easily add crypto trading into your app with a single API. Access 100+ exchanges and thousands of tokens with the Swap API.
- ⛽ Gasless API
- Simplify defi with end-to-end gasless transactions. Abstract away the complexities of token approvals and gas with Gasless API.
- 📊 Trade Anlaytics API
- Gain actionable insights with programmatic access to historical trades executed via your apps using 0x Swap and Gasless APIs.
- 📚 Dev Resources
- Glossary, FAQs & Troubleshooting, Audits, Bounties, Legal Guide, White Paper