> ## Documentation Index > Fetch the complete documentation index at: https://cobo.com/developers/llms.txt > Use this file to discover all available pages before exploring further. # Create addresses in wallet > This operation generates one or more addresses within a specified wallet. This operation is applicable to Custodial Wallets and MPC Wallets only. Try [Cobo WaaS Skill](/v2/guides/overview/cobo-waas-skill) in your AI coding assistant (Claude Code, Cursor, etc.). Describe your needs in natural language to auto-generate production-ready SDK code and debug faster 🚀 ```python Python theme={null} import cobo_waas2 from cobo_waas2.models.address_info import AddressInfo from cobo_waas2.models.create_address_request import CreateAddressRequest from cobo_waas2.rest import ApiException from pprint import pprint # See configuration.py for a list of all supported configurations. configuration = cobo_waas2.Configuration( # Replace `` with your private key api_private_key="", # Select the development environment. To use the production environment, change the URL to https://api.cobo.com/v2. host="https://api.dev.cobo.com/v2", ) # Enter a context with an instance of the API client with cobo_waas2.ApiClient(configuration) as api_client: # Create an instance of the API class api_instance = cobo_waas2.WalletsApi(api_client) wallet_id = "f47ac10b-58cc-4372-a567-0e02b2c3d479" create_address_request = cobo_waas2.CreateAddressRequest(chain_id="ETH", count=1) try: # Create addresses in wallet api_response = api_instance.create_address( wallet_id, create_address_request=create_address_request ) print("The response of WalletsApi->create_address:\n") pprint(api_response) except Exception as e: print("Exception when calling WalletsApi->create_address: %s\n" % e) ``` ```java Java theme={null} // Import classes: import com.cobo.waas2.ApiClient; import com.cobo.waas2.ApiException; import com.cobo.waas2.Configuration; import com.cobo.waas2.Env; import com.cobo.waas2.api.WalletsApi; import com.cobo.waas2.model.*; public class Example { public static void main(String[] args) { ApiClient defaultClient = Configuration.getDefaultApiClient(); // Select the development environment. To use the production environment, replace `Env.DEV` with // `Env.PROD defaultClient.setEnv(Env.DEV); // Replace `` with your private key defaultClient.setPrivKey(""); WalletsApi apiInstance = new WalletsApi(); UUID walletId = UUID.fromString("f47ac10b-58cc-4372-a567-0e02b2c3d479"); CreateAddressRequest createAddressRequest = new CreateAddressRequest().chainId("ETH").count(1); try { List result = apiInstance.createAddress(walletId, createAddressRequest); System.out.println(result); } catch (ApiException e) { System.err.println("Exception when calling WalletsApi#createAddress"); System.err.println("Status code: " + e.getCode()); System.err.println("Reason: " + e.getResponseBody()); System.err.println("Response headers: " + e.getResponseHeaders()); e.printStackTrace(); } } } ``` ```go Go theme={null} package main import ( "context" "fmt" coboWaas2 "github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2" "github.com/CoboGlobal/cobo-waas2-go-sdk/cobo_waas2/crypto" "os" ) func main() { walletId := "f47ac10b-58cc-4372-a567-0e02b2c3d479" createAddressRequest := *coboWaas2.NewCreateAddressRequest("ETH", int32(1)) configuration := coboWaas2.NewConfiguration() // Initialize the API client apiClient := coboWaas2.NewAPIClient(configuration) ctx := context.Background() // Select the development environment. To use the production environment, replace coboWaas2.DevEnv with coboWaas2.ProdEnv ctx = context.WithValue(ctx, coboWaas2.ContextEnv, coboWaas2.DevEnv) // Replace `` with your private key ctx = context.WithValue(ctx, coboWaas2.ContextPortalSigner, crypto.Ed25519Signer{ Secret: "", }) resp, r, err := apiClient.WalletsAPI.CreateAddress(ctx, walletId). CreateAddressRequest(createAddressRequest). Execute() if err != nil { fmt.Fprintf(os.Stderr, "Error when calling `WalletsAPI.CreateAddress``: %v\n", err) fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r) } // response from `CreateAddress`: []AddressInfo fmt.Fprintf(os.Stdout, "Response from `WalletsAPI.CreateAddress`: %v\n", resp) } ``` ```javascript JavaScript theme={null} const CoboWaas2 = require("@cobo/cobo-waas2"); // Initialize the API client const apiClient = CoboWaas2.ApiClient.instance; // Select the development environment. To use the production environment, replace `Env.DEV` with `Env.PROD` apiClient.setEnv(CoboWaas2.Env.DEV); // Replace `` with your private key apiClient.setPrivateKey(""); // Call the API const apiInstance = new CoboWaas2.WalletsApi(); const wallet_id = "f47ac10b-58cc-4372-a567-0e02b2c3d479"; const opts = { CreateAddressRequest: CoboWaas2.CreateAddressRequest.constructFromObject({ chain_id: "ETH", count: 1, }), }; apiInstance.createAddress(wallet_id, opts).then( (data) => { console.log("API called successfully. Returned data: " + data); }, (error) => { console.error(error); }, ); ``` ## OpenAPI ````yaml post /wallets/{wallet_id}/addresses openapi: 3.0.3 info: title: Cobo Wallet as a Service 2.0 description: > The Cobo Wallet-as-a-Service (WaaS) 2.0 API is the latest version of Cobo's WaaS API offering. It enables you to access Cobo's full suite of crypto wallet technologies with powerful and flexible access controls. By encapsulating complex security protocols and streamlining blockchain interactions, this API allows you to concentrate on your core business activities without worrying about the safety of your assets. The WaaS 2.0 API presents the following key features: - A unified API for Cobo's [all four wallet types](https://manuals.cobo.com/en/portal/introduction#an-all-in-one-wallet-platform) - Support for 80+ chains and 3000+ tokens - A comprehensive selection of webhook events - Flexible usage models for MPC Wallets, including [Organization-Controlled Wallets](https://manuals.cobo.com/en/portal/mpc-wallets/ocw/introduction) and [User-Controlled Wallets](https://manuals.cobo.com/en/portal/mpc-wallets/ucw/introduction) - Programmatic control of smart contract wallets such as Safe{Wallet} with fine-grained access controls - Seamlessly transfer funds across multiple exchanges, including Binance, OKX, Bybit, Deribit, and more For more information about the WaaS 2.0 API, see [Introduction to WaaS 2.0](https://www.cobo.com/developers/v2/guides/overview/introduction). termsOfService: https://cobo.com/waas/tos/ license: name: Apache 2.0 url: https://www.apache.org/licenses/LICENSE-2.0.html contact: name: Cobo WaaS url: https://www.cobo.com/waas email: help@cobo.com version: 1.0.0 servers: - url: https://api.dev.cobo.com/v2 description: Development environment - url: https://api.cobo.com/v2 description: Production environment security: - CoboAuth: [] tags: - name: Organizations description: Operations related to Organizations. - name: Wallets description: Operations related to all wallets. - name: Wallets - MPC Wallets description: Operations related to mpc wallet. - name: Wallets - Exchange Wallet description: Operations related to exchange wallet. - name: Wallets - Smart Contract Wallets description: Operations related to smart contract wallet. - name: Transactions description: Operations related to all transactions. - name: Developers - Webhooks description: Operations related to webhooks. - name: Stakings description: Operations related to staking. - name: OAuth description: Operations related to OAuth. - name: Developers description: Operations related to developers. - name: AddressBooks description: Operations related to address books. - name: TravelRule description: Operations related to travel rule. - name: GraphQL description: Operations related to executing GraphQL queries and mutations. - name: PrimeBroker description: Operations related to prime broker. - name: AppWorkflows description: Operations related to app workflow. - name: FeeStation description: Operations related to fee station. - name: Payment description: Operations related to payment. - name: Batch Payouts description: Operations related to batch payouts. - name: Tokenization description: Operations related to tokenization. - name: AutoSweep description: Operations related to auto sweep. - name: Compliance description: Operations related to compliance. paths: /wallets/{wallet_id}/addresses: parameters: - $ref: '#/components/parameters/walletIdParam' post: tags: - Wallets summary: Create addresses in wallet description: > This operation generates one or more addresses within a specified wallet. This operation is applicable to Custodial Wallets and MPC Wallets only. operationId: create_address requestBody: $ref: '#/components/requestBodies/createAddressBody' responses: '201': $ref: '#/components/responses/createAddressResponse' 4XX: $ref: '#/components/responses/badRequestError' 5XX: $ref: '#/components/responses/internalServerError' security: - CoboAuth: [] - OAuth2: - wallet.create_address components: parameters: walletIdParam: name: wallet_id in: path required: true description: The wallet ID. schema: type: string format: uuid example: f47ac10b-58cc-4372-a567-0e02b2c3d479 requestBodies: createAddressBody: description: The request body to generates addresses within a specified wallet. content: application/json: schema: type: object required: - chain_id - count properties: chain_id: type: string description: >- The chain ID, which is the unique identifier of a blockchain. You can retrieve the IDs of all the chains you can use by calling [List enabled chains](https://www.cobo.com/developers/v2/api-references/wallets/list-enabled-chains). example: ETH count: type: integer maximum: 50 minimum: 1 default: 1 description: >- The number of addresses to create. This property will be ignored if you are generating tweaked Taproot addresses. example: 1 taproot_script_tree_hashes: type: array items: type: string example: >- 0x138fdd0f6c3803d45553e730c25924baf7be741b8a72a4e6fdbd9d44cb19f85b description: >- A list of script tree hashes used to generate a tweaked Taproot address. This property is required only if you want to generate tweaked Taproot addresses. taproot_internal_address: type: string description: >- The original Taproot address to be tweaked. This property is required only if you want to generate tweaked Taproot addresses. example: 3HYV6ta67197syD1ZVFganpmL2wLz4RyoC encoding: $ref: '#/components/schemas/AddressEncoding' responses: createAddressResponse: description: The request was successful. content: application/json: schema: type: array items: $ref: '#/components/schemas/AddressInfo' badRequestError: description: >- Bad request. Your request contains malformed syntax or invalid parameters. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' internalServerError: description: Internal server error. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' schemas: AddressEncoding: type: string enum: - ENCODING_P2PKH - ENCODING_P2SH_P2WPKH - ENCODING_BECH32 - ENCODING_P2PKH_UNCOMPRESSED - ENCODING_P2SH_P2MS - ENCODING_P2SH_P2WSH_P2MS - ENCODING_P2TR - ENCODING_ADA_BYRON - ENCODING_ADA_SHELLEY - ENCODING_DEFAULT description: >- The address encoding formats. This property only applies to blockchains that have a similar architecture to Bitcoin. example: ENCODING_P2PKH AddressInfo: type: object description: The address information. required: - address - chain_id properties: address: type: string description: The wallet address. example: '0x0000000000000000000000000000000000000000' chain_id: type: string description: >- The chain ID, which is the unique identifier of a blockchain. You can retrieve the IDs of all the chains you can use by calling [List enabled chains](https://www.cobo.com/developers/v2/api-references/wallets/list-enabled-chains). example: ETH memo: type: string description: The memo code. example: '82840924' path: type: string description: >- The derivation path of the address. This property applies to MPC Wallets only. To learn the meaning of each level in the path, see [Path levels](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki#path-levels). example: m/44/0/2/0/0 encoding: $ref: '#/components/schemas/AddressEncoding' pubkey: type: string description: >- The public key of the address. This property applies to MPC Wallets only. example: >- xpub6HFaEKt4XdwgEQrQmWr8AEAZ7XBSGh7QYFspwdE86sJn6PjkqsPwVQc2poriBdizqXnTB3UWurJJAZpFnD2DAp9vFTmM2gQ264AArYtFWLH x_only_pubkey: type: string description: The 32-byte x-only public key in hexadecimal format after tweaking. example: '0x165ed2f04462ec0d3d44dc8690fa9000903b5a96f14ad7f233c21ff748a17b54' root_pubkey: type: string description: >- The root public key of the address. This property applies to MPC Wallets only. example: >- xpub661MyMwAqRbcG4vPNi58VQJrXW8D9VzmauuRq2rTY3oUVnKGuLTxQxvvoEXgLvZ7N9GQXQkWVgKn1rzEUUEm4NdvrBKUqjpNJEnn2UL4rYq taproot_script_tree_hash: type: string description: The information about the new address. example: '0x138fdd0f6c3803d45553e730c25924baf7be741b8a72a4e6fdbd9d44cb19f85b' taproot_internal_address: type: string description: The Taproot address before tweaking. example: 3HYV6ta67197syD1ZVFganpmL2wLz4RyoC stellar_trusted_token_ids: type: array items: type: string example: XLM_USDC description: >- The list of token IDs for which this address has already established trustlines on the Stellar network. ErrorResponse: type: object description: The response of a failed request. required: - error_code - error_message - error_id properties: error_code: type: integer description: >- The error code. Refer to [Error codes and status codes](https://www.cobo.com/developers/v2/api-references/error-codes) for more details. error_message: type: string description: The error description. error_id: type: string description: >- The error log ID. You can provide the error ID when submitting a ticket to help Cobo to locate the issue. example: 0b6ddf19083c4bd1a9ca01bec44b24dd securitySchemes: CoboAuth: type: apiKey in: header name: BIZ-API-KEY description: > The API key. For more details, refer to [API key](https://www.cobo.com/developers/v2/guides/overview/cobo-auth#api-key). In the API playground, enter your [API secret](https://www.cobo.com/developers/v2/guides/overview/cobo-auth#api-secret), and your API key will be accordingly calculated. OAuth2: type: oauth2 description: >- The [Org Access Token](https://www.cobo.com/developers/v2/apps/org-access-tokens). Use this authorization method only if you are developing Cobo Portal Apps for installation and use across different organizations. flows: authorizationCode: authorizationUrl: https://auth.cobo.com/authorize tokenUrl: https://auth.cobo.com/oauth/token scopes: address_book.read: Read address book api_key.read: Read API key information callback.read: Read callback message callback.resend: Resend callback message wallet.create: Create wallet wallet.read: Read wallet information wallet.update: Update wallet information wallet.delete: Delete wallet information wallet.create_address: Create wallet address wallet.manage_utxo: Manage UTXO mpc_project.create: Create MPC project mpc_project.read: Read MPC project information mpc_project.update: Update MPC project information mpc_vault.create: Create MPC Vault mpc_vault.read: Read MPC Vault information mpc_vault.update: Update MPC Vault information mpc_key_group.create: Create MPC key group mpc_key_group.read: Read MPC key group information mpc_key_group.update: Update MPC key group information mpc_key_group.delete: Delete MPC key group information transaction.read: Read transaction information transaction.withdraw: Make withdrawals transaction.estimate_fee: Estimate transaction fee transaction.contract_call: Initiate contract calls transaction.message_sign: Initiate message signings transaction.stake: Stake assets transaction.unstake: Unstake assets transaction.unstake_withdraw: Withdraw unstaked assets transaction.manage: Manage ongoing transactions transaction.update: Update transaction notes travel_rule.read: Read travel rule information travel_rule.edit: Edit travel rule information webhook.read: Read webhook URLs/events webhook.edit: Edit webhook URLs webhook.resend: Resend webhook events payment_orders_payin.create: Create pay-in order payment_orders_payin.read: Read pay-in order information payment_orders_payin.update: Update pay-in order payment_orders_refund.create: Create payment refund order payment_orders_refund.read: Read payment refund order information payment_settlement.create: Create payment settlement request payment_settlement.read: Read payment settlement request information payment_merchant.create: Create payment merchant payment_merchant.read: Read payment merchant information payment_merchant.update: Update payment merchant payment_forced_sweep.create: Create payment force sweep request payment_forced_sweep.read: Read payment force sweep request information compliance_funds.refund: Refund compliance funds request compliance_funds.isolate: Isolate compliance funds request compliance_funds.unfreeze: Unfreeze compliance funds request compliance_funds.read: Read compliance funds request information compliance_kyt_review.update: Update KYT review status compliance_kyt_decisions.update: Update KYT decision status compliance_kyt_status.read: Read KYT screening status compliance_kya_screenings.create: Create KYA address screening requests compliance_kya_screenings.read: Read KYA address screening results ````