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HomeOverviewTradingRisk & LiquidationsParadex ChainEcosystemREST APIWebSocket APIAgentic AI HubRelease Notes
  • General Information
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    • Quick Start
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    • API Authentication
    • API Best Practices
  • Production API Reference
  • Testnet API Reference
        • GETList block trades
        • POSTCreate block trade
        • GETGet block trade
        • DELCancel block trade
        • POSTExecute block trade
        • GETGet block trade offers
        • POSTCreate block trade offer
        • GETGet specific block trade offer
        • DELCancel block trade offer
        • POSTExecute individual offer
  • Useful Resources
    • Paradex Github
    • Paradex CLI
    • Code Samples
    • Python SDK
    • CCXT Integration
Join CommunityStart Trading
Testnet API ReferenceBlock Trades

Execute individual offer

POST
https://api.testnet.paradex.trade/v1/block-trades/:block_trade_id/offers/:offer_id/execute
POST
/v1/block-trades/:block_trade_id/offers/:offer_id/execute
$curl -X POST https://api.testnet.paradex.trade/v1/block-trades/block_trade_id/offers/offer_id/execute \
>     -H "Authorization: <apiKey>" \
>     -H "Content-Type: application/json" \
>     -d '{
>  "execution_nonce": "execution_001",
>  "signatures": {}
>}'
1{
2  "block_expiration": 1640995800000,
3  "block_id": "block_456",
4  "block_type": "OFFER_BASED",
5  "created_at": 1640995200000,
6  "initiator": "0x123...abc",
7  "last_updated_at": 1640995400000,
8  "nonce": "67890",
9  "parent_block_id": "block_123",
10  "required_signers": [
11    "string"
12  ],
13  "signatures": {},
14  "status": "COMPLETED",
15  "trades": {}
16}
Execute a specific offer independently of the parent block trade. Executes an individual offer without waiting for full block trade execution. **Requirements:** - Called by authorized account (initiator, offering account, or required signer) - Valid signatures from all required parties - Unexpired signatures and executable offer state **Independent Execution:** - Processes only the specific offer's trades - Does not require other offers to be ready - Executes all trades in the offer together **Returns:** Executed offer with status, fill details, timestamps, and updated balances.
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Execute a specific offer independently of the parent block trade.

Executes an individual offer without waiting for full block trade execution.

Requirements:

  • Called by authorized account (initiator, offering account, or required signer)
  • Valid signatures from all required parties
  • Unexpired signatures and executable offer state

Independent Execution:

  • Processes only the specific offer’s trades
  • Does not require other offers to be ready
  • Executes all trades in the offer together

Returns: Executed offer with status, fill details, timestamps, and updated balances.

Authentication

Authorizationstring
API Key authentication via header

Path parameters

block_trade_idstringRequired
Parent Block Trade ID
offer_idstringRequired
Offer ID

Request

Offer execution parameters
execution_noncestringRequired
Unique nonce for this execution request
signaturesmap from strings to objectsRequired
Map of offer IDs to initiator signatures accepting each offer. Block id if it is a direct block trade.
selected_offerslist of stringsOptional

Array of offer IDs selected for execution (offers are atomic, not partial)

Response

OK
block_expirationinteger
Unix timestamp in milliseconds when block expires
block_idstring

Backend-generated unique identifier

block_typeenum
Block type
Allowed values:
created_atinteger
When block was created
initiatorstring
Account that initiated this block trade
last_updated_atinteger
When block was last updated
noncestring
Original block nonce
parent_block_idstring

Parent block ID (if offer-based)

required_signerslist of strings
List of accounts that can participate in the block trade
signaturesmap from strings to objects

Current signatures on this block (for signature verification)

statusenum
Current status of the block trade
tradesmap from strings to objects
Map of market to trade details

Errors

400
Bad Request Error