> ## Documentation Index > Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt > Use this file to discover all available pages before exploring further. # wallet/exchangecreate | TRON > TRON API method that creates a new trading pair on the TRON decentralized exchange with initial liquidity provision. Returns a transaction object containing:. TRON API method that creates a new trading pair on the TRON decentralized exchange with initial liquidity provision. ## Parameters * `owner_address` — the address that will own and control the exchange pair (base58 with `visible: true`, or hex with `visible: false`). * `first_token_id` — TRC10 token ID of the first token in the trading pair. * `first_token_balance` — initial amount for the first token as an integer (token base units). * `second_token_id` — TRC10 token ID of the second token; use `_` to denote TRX. * `second_token_balance` — initial amount for the second token as an integer (if TRX, specify in sun). * `permission_id` — optional permission ID for multi‑signature accounts. ## Response Returns a transaction object containing: * `txID` — unique transaction identifier * `raw_data` — raw transaction data including contract details * `raw_data_hex` — hexadecimal representation of raw transaction data ## Use case The `wallet/exchangecreate` method is used for: * Creating new trading pairs on the TRON decentralized exchange * Establishing initial liquidity pools for token pairs * Launching new markets for custom tokens * Setting up automated market maker (AMM) pools with initial pricing ## curl example ```shell Shell theme={"system"} curl --request POST \ --url 'https://tron-mainnet.core.chainstack.com/95e61622bf6a8af293978377718e3b77/wallet/exchangecreate' \ --header 'Content-Type: application/json' \ --data '{ "owner_address": "TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH", "first_token_id": "1000001", "first_token_balance": 1000000000000, "second_token_id": "_", "second_token_balance": 5000000000, "visible": true }' ``` * balances must be integers (do not quote numbers). When the second token is TRX (denoted by `_`), provide `second_token_balance` in sun (1 TRX = 1,000,000 sun). * use `_` for TRX or a TRC10 token ID string for both sides to create TRC10–TRC10 pairs. * the call builds an unsigned transaction; you must sign and broadcast it. On mainnet, additional on‑chain validations apply (token existence, ownership, pair uniqueness, sufficient balances). ## OpenAPI ````yaml openapi/tron_node_api/exchangecreate.json post /95e61622bf6a8af293978377718e3b77/wallet/exchangecreate openapi: 3.0.0 info: title: TRON API version: 1.0.0 servers: - url: https://tron-mainnet.core.chainstack.com security: [] paths: /95e61622bf6a8af293978377718e3b77/wallet/exchangecreate: post: summary: Create a new exchange trading pair description: >- Creates a new trading pair on the TRON decentralized exchange with initial liquidity provision operationId: exchangeCreate requestBody: required: true content: application/json: schema: type: object required: - owner_address - first_token_id - first_token_balance - second_token_id - second_token_balance properties: owner_address: type: string description: The address that will own and control the exchange pair first_token_id: type: string description: Token ID of the first token in the trading pair first_token_balance: type: integer description: >- Initial balance to provide for the first token (integer amount in the token's base units) second_token_id: type: string description: >- Token ID of the second token in the trading pair. Use '_' to denote TRX. second_token_balance: type: integer description: >- Initial balance to provide for the second token (integer amount; if TRX, specify in sun) permission_id: type: integer description: Optional permission ID for multi-signature accounts visible: type: boolean description: Whether to return human-readable addresses default: false examples: default: summary: Create TRC10–TRX exchange pair value: owner_address: TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH first_token_id: '1000001' first_token_balance: 1000000000000 second_token_id: _ second_token_balance: 5000000000 visible: true responses: '200': description: Successful response with transaction details content: application/json: schema: type: object properties: txID: type: string description: Unique transaction identifier raw_data: type: object description: Raw transaction data including contract details properties: contract: type: array items: type: object properties: parameter: type: object properties: value: type: object properties: owner_address: type: string first_token_id: type: string first_token_balance: type: string second_token_id: type: string second_token_balance: type: string type_url: type: string type: type: string ref_block_bytes: type: string ref_block_hash: type: string expiration: type: integer timestamp: type: integer raw_data_hex: type: string description: Hexadecimal representation of raw transaction data examples: success: summary: Successful response value: txID: >- f7d5c2e8a1b9f3d4c5e6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8 raw_data: contract: - parameter: value: owner_address: TLyqzVGLV1srkB7dToTAEqgDSfPtXRJZYH first_token_id: '1000001' first_token_balance: '1000000000000' second_token_id: _ second_token_balance: '5000000000' type_url: >- type.googleapis.com/protocol.ExchangeCreateContract type: ExchangeCreateContract ref_block_bytes: ab90 ref_block_hash: f5d4c3b2a1 expiration: 1672531260000 timestamp: 1672531200000 raw_data_hex: >- 0a02ab901220f5d4c3b2a140e0b8e2f6e30f5a68081112620a32747970652e676f6f676c65617069732e636f6d2f70726f746f636f6c2e45786368616e6765437265617465436f6e747261637412280a154c7971797a56474c5631737266b7dd4afc8eagg61534522083131306b30303131 '400': description: Bad request content: application/json: schema: type: object properties: Error: type: string examples: error: summary: Error response value: Error: Invalid token balance or insufficient funds ````