Real-time intermediation
FeaturedTransparent quotes, no hidden spreads. Lock the price and execute instantly.
Buy and sell USDT with reais, for Brazilian businesses. Receive reais by Pix into your company's BRL account and execute your operations straight from the balance, with no bureaucracy and no technical complexity.
Platform interface · illustrative data





These are the Obsidiam platform screens, with the same flow our clients use to swap reais for stablecoins.
Choose the pair and the network, enter the amount in reais and get a firm quote with a visible validity window. No hidden spreads: the price you see is the price you lock.
Deposit into your company's BRL account by QR code (reusable or for an exact amount) or with the random Pix key. Every payment is credited automatically, with no receipt to send.
Confirm the operation and the platform moves exactly the amount due from your BRL account. Track each order in real time until the USDT is sent on the chosen network.
Orders, BRL and USDT balances and transaction history in one place, with a PDF receipt for every operation.
Platform interface · illustrative data
Receive and withdraw reais by Pix and execute operations straight from your balance, with no transfers between banks before each operation.
Platform interface · illustrative data
A dedicated payment account, opened for your company by Celcoin, an institution authorized by the Central Bank of Brazil. Your reais stay in your company's name, never pooled with other clients' funds.
Reusable QR code, QR code for an exact amount or Pix key. Every payment is credited automatically, with no receipt to send and no ticket to open.
You see the deposit as soon as the Pix is confirmed. Every payment is linked to your company and to the payer who sent it.
Confirm the operation and the platform moves exactly the amount due from your BRL account. No separate transfer and no waiting for the money to arrive.
Send your balance to a registered and approved Pix key. Before confirming, you see the amount, the destination and your limit.
Your company's verification is reused to open the account. Read the key terms, accept them and we handle the rest with Celcoin.
A statement of deposits and withdrawals with amount, status and date. Our operations team follows every movement.
Payments from senders your company hasn't approved are held for review and may be returned to the payer, with no automatic credit.
The BRL payment account is opened and maintained by Celcoin Instituição de Pagamento S.A., a payment institution authorized by the Central Bank of Brazil. It is not a checking account or a deposit account and earns no interest.
Stablecoin intermediation, a BRL account, execution and treasury in one place, with the agility of modern technology and an infrastructure of regulated partners.
Transparent quotes, no hidden spreads. Lock the price and execute instantly.
A BRL balance in your company's payment account and a USDT balance, with swaps between them in seconds.
Send USDT to your company's or your partners' wallets, on the network you choose, quickly and traceably.
Automatic swaps and reconciliation.
Quotes, orders, deposits and payouts over REST, with signed webhooks.
POST /quotes
{ "pair": "USDT/BRL",
"side": "buy",
"network": "TRC20" }Explore the API KYC/AML and screening on every operation.
Everything the platform does, also over a REST API: firm quotes, orders, payment instructions, balances and payouts, with signed webhooks and a full sandbox to test before you go live.
REST · JSON · Webhooks
Request a firm quote and execute it with a confirmation token. Refresh or cancel while it's valid.
Signed deposit and payout events, with automatic retries and delivery history.
A test environment with its own key and simulated deposits and payouts to validate the flow end to end.
A WebSocket stream of indicative prices for the pairs enabled for your organization.
Per-environment keys, IP allowlists and idempotent writes to prevent duplicates.
Deposit instructions (PIX, SPEI, wire), balances, ledger and payouts in local currency and USDT.
From imports to paying talent abroad, Obsidiam handles the swap between reais and stablecoins so you can focus on the business.
Swap reais for USDT instantly to pay suppliers abroad and receive USDT from international clients, all reconciled automatically.
Every operation runs through regulated partners and end-to-end security and compliance controls.
Before you start trading, we verify your organization's identity. It takes about 5–10 minutes.
Verification powered by Sumsub · data encrypted
Your reais are held in a payment account in your company's name, opened and maintained by a payment institution authorized by the Central Bank of Brazil, separate from Obsidiam's funds.
Transaction screening, PEP and OFAC lists and ongoing due diligence, powered by artificial intelligence and big data.
Real-time risk monitoring and automatic checks against global sanctions lists (OFAC, EU, UN).
Identity and document verification for companies and individuals, in line with AML standards and the LGPD.

We are backed by strategic investment and support from the Tether group, a global leader in stablecoin and digital-liquidity infrastructure, which reinforces security, transparency and operational solidity.
Practical guides to protect your company: how to spot scams, how to check every Pix and every blockchain transfer, and what each term on the platform means.
Dear client,
We detected unusual activity. Your account will be suspended in 2 hours unless the check is completed.
To keep your access, reply with the verification code you just received by SMS and confirm your details at:
obsidiam-verify.net/login
Illustrative example of a fake message
Obsidiam never asks for your password, verification code, private key or recovery phrase, through any channel.
Our official communications come only from @obsidiam.com addresses, and the platform lives at obsidiam.com.
Urgency is a scammer's main tool. Before acting, confirm through the official channel: support@obsidiam.com.
Obsidiam runs on the same infrastructure used by global financial institutions: institutional-grade compliance, technology and liquidity, integrated end to end.
MPC technology
KYC / KYB
AML & screening
Monitoring & sanctionsTrademarks and logos belong to their respective owners.
Our impact in numbers
Obsidiam simplifies Brazilian businesses' access to the international financial system. We combine the solidity of regulated institutions with the efficiency of modern digital infrastructure, enabling fast operations between reais and stablecoins, securely and in compliance with the rules.
Our focus is to build a bridge between local economies and the global market, helping companies operate, grow and connect without borders.


Tell us about your operations and our team will design the right solution for your business. You can also write to clients@obsidiam.com.