USDT (Tether)
The world's highest-volume stablecoin, pegged to the dollar. Buy with Pix and send on Polygon, Ethereum, Celo, Tron or BNB Chain.
Pix → USDT · USDC → Pix
Pix to stablecoin: buy and sell USDT and USDC with Pix
With Woovi, your company buys stablecoins such as USDT and USDC paying with Pix, and sells stablecoins receiving Brazilian reais via Pix, all through an API. It is the stablecoin infrastructure of a Payment Institution that is a direct Pix participant, with buying, selling and custody executed by VASPs (PSAVs) authorized by Brazil's Central Bank.
- On-ramp and off-ramp 24/7
- USDT and USDC
- Firm quote via API
Woovi Instituição de Pagamento, authorized by Brazil's Central Bank · Direct Pix participant · Code 694
Pix ofR$ 2,700.00BRL
Buys500.00 USDTUSDT
- Rate
- 1 USDT = R$ 5.40
- Network
- Tron
- Settlement
- Partner VASP
Pix received · endToEndId E1234…PIX OK
USDTPolygon, Ethereum, Celo, Tron and BNB Chain
USDCPolygon, Ethereum, Base, Celo and BNB Chain
Pix 24/7Buy and sell at any time
1 APIQuote, buy, sell and on-chain transfer
Available stablecoins
USDT and USDC: digital dollars bought and sold with Pix
Stablecoins are cryptocurrencies pegged to a stable asset, such as the US dollar. They let you hold, pay and transfer digital dollars at any time, with reais in and out through Pix.
USDC (Circle)
Dollar-pegged stablecoin issued by Circle. Buy with Pix and send on Polygon, Ethereum, Base, Celo or BNB Chain.
Sell back to Pix
Sell USDT or USDC and receive reais via Pix, to your company's or your customer's Pix key.
Step by step
How to buy stablecoin with Pix on Woovi
Your company integrates once and offers USDT and USDC buying and selling to its customers, or uses the API for its own treasury.
- 01
Open a Woovi account
Business account with Pix and a company review (KYB) to enable stablecoin operations.
- 02
Request a quote
Send the amount in reais, the stablecoin and the network. The API returns the rate with fees included.
- 03
Pay with Pix
The amount comes from the reais balance received via Pix. The order goes to the partner VASP.
- 04
Receive the stablecoin
USDT or USDC credited to the custodied wallet or sent to the given address, with a webhook.
On-ramp and off-ramp
Pix to USDT and USDT to Pix
Buy stablecoin with Pix, credited to a wallet or sent on-chain.
- 01YOUR SYSTEM
Requests a quote
Amount in reais, stablecoin and network.
- 02CUSTOMER
Pays the Pix
Confirmed in seconds, 24/7.
- 03WOOVI
Sends the order
The reais balance funds the purchase.
- 04VASP
Buys the asset
Trade executed and recorded.
- 05BLOCKCHAIN
Delivers
Wallet credit or transfer with hash.
Sell stablecoin and receive reais via Pix.
- 01YOUR SYSTEM
Requests a quote
Amount and destination Pix key.
- 02WOOVI
Checks the key
Ownership and risk rules.
- 03VASP
Sells the asset
Stablecoin converted to reais.
- 04WOOVI
Sends the Pix
Payment to the given key.
- 05YOUR SYSTEM
Gets the webhook
Receipt with the endToEndId.
Stablecoin API
Buy and sell stablecoin in a few calls
Same AppID authentication and the same webhooks as Woovi Pix charges.
- Real-time webhooks
- Idempotency by correlationId
- Public documentation
- Integration support
Stablecoin quoteGET
curl "https://api.woovi.com/api/v1/stablecoin/quote?value=1000000¤cy=USDC&network=POLYGON" \
-H "Authorization: $WOOVI_APP_ID"RESPONSE200 OK
{
"status": "ok",
"quote": {
"inputCurrency": "BRL",
"inputAmount": 10000,
"outputCurrency": "USDC",
"outputAmount": "[amount]",
"rate": "[rate]"
}
}Illustrative example. Official fields and responses at developers.woovi.com.
Questions about buying stablecoin with Pix
Through Woovi's API, your company requests a quote in reais, pays with the balance received via Pix and receives USDT in the custodied wallet or at the given address. The purchase is executed by a partner VASP (PSAV) authorized by Brazil's Central Bank.
You send the USDT or USDC amount and the destination Pix key. The partner VASP sells the stablecoin and Woovi sends the reais via Pix, with a webhook and receipt.
Both are dollar-pegged stablecoins. USDT is issued by Tether and USDC by Circle. They run on different networks: on Woovi, USDT on Polygon, Ethereum, Celo, Tron and BNB Chain, and USDC on Polygon, Ethereum, Base, Celo and BNB Chain.
Companies with a Woovi account, after the company review (KYB). Your company's end customers trade through your product after KYC.
Pix confirms in seconds and the purchase executes right after. On-chain transfers depend on the chosen network.
No. Woovi is a Payment Institution authorized by Brazil's Central Bank and a direct Pix participant. Buying, selling and custody of stablecoins are executed by authorized partner VASPs (PSAVs).
Add Pix to stablecoin to your product
Talk to an expert to review volumes, networks and the USDT and USDC buy and sell flow.
Virtual asset services provided by partner PSAVs authorized by Brazil's Central Bank. Stablecoins are not legal tender and are not covered by the FGC.
