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Overview

With managed credentials, Parsec handles wallet creation, credential derivation, token approvals, and transaction signing. You do not manage private keys or hold gas tokens. Best for: Traders who want the fastest path from signup to first order.
Not sure which mode to use? Start with Trading Setup to compare self, managed, and per-request.
Builders can also use managed mode for end-users who do not bring their own wallet, but the builder-specific flow lives under Builders and Onboard User.
Your App ───► POST /onboard { mode: "managed" } ───► Parsec creates wallet + credentials
         ───► POST /orders                        ───► Parsec signs and routes

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Step 1: Get your API key

Sign up at parsecapi.com → Settings → copy your API key (pk_live_...).

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Step 2: Onboard with managed mode

A single call creates your wallet, derives CLOB credentials, and sets token approvals: 
curl -X POST "https://api.parsecapi.com/api/v1/onboard" \
  -H "X-API-Key: pk_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "exchange": "polymarket",
    "mode": "managed"
  }'

{
  "exchange": "polymarket",
  "mode": "managed",
  "status": "complete",
  "eoa_address": "0x1234567890abcdef1234567890abcdef12345678",
  "linked_exchanges": ["polymarket"],
  "steps_completed": ["wallet_eoa_created", "exchange_linked"]
}
Idempotent — calling this again skips already-completed steps and returns the same result.

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Safe wallet (optional)

For Gnosis Safe wallets, pass wallet_type: "safe": 
curl -X POST "https://api.parsecapi.com/api/v1/onboard" \
  -H "X-API-Key: pk_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "exchange": "polymarket",
    "mode": "managed",
    "wallet_type": "safe"
  }'

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Step 3: Fund your wallet

Send USDC to your eoa_address on Polygon. Gas fees are sponsored — no POL needed.

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Step 4: Trade

curl -X POST "https://api.parsecapi.com/api/v1/orders?exchange=polymarket" \
  -H "X-API-Key: pk_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "market_id": "0x1234abcd",
    "outcome": "Yes",
    "side": "buy",
    "price": 0.55,
    "size": 100
  }'

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Supported exchanges

ExchangeManaged mode
PolymarketYes (EOA or Safe wallet)
KalshiNo — use self or per-request

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What’s next?

Wallet State

Check wallet, signer, and linked exchanges.

Order Router

Learn how Parsec routes orders across exchanges.

WebSocket

Stream real-time orderbooks and trades.