> ## Documentation Index > Fetch the complete documentation index at: https://cobo.com/payments/llms.txt > Use this file to discover all available pages before exploring further. # Batch get exchange rates > This operation retrieves the current exchange rates between multiple fiat currencies and cryptocurrencies. ```python Python theme={null} import cobo_waas2 from cobo_waas2.models.exchange_rate import ExchangeRate 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.PaymentApi(api_client) token_ids = "ETH_USDT,ETH_USDC,BTC_USDT" currencies = "USD" try: # Batch get exchange rates api_response = api_instance.batch_get_exchange_rates(token_ids, currencies) print("The response of PaymentApi->batch_get_exchange_rates:\n") pprint(api_response) except Exception as e: print("Exception when calling PaymentApi->batch_get_exchange_rates: %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.PaymentApi; 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(""); PaymentApi apiInstance = new PaymentApi(); String tokenIds = "ETH_USDT,ETH_USDC,BTC_USDT"; String currencies = "USD"; try { List result = apiInstance.batchGetExchangeRates(tokenIds, currencies); System.out.println(result); } catch (ApiException e) { System.err.println("Exception when calling PaymentApi#batchGetExchangeRates"); 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() { tokenIds := "ETH_USDT,ETH_USDC,BTC_USDT" currencies := "USD" 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.PaymentAPI.BatchGetExchangeRates(ctx). TokenIds(tokenIds). Currencies(currencies). Execute() if err != nil { fmt.Fprintf(os.Stderr, "Error when calling `PaymentAPI.BatchGetExchangeRates``: %v\n", err) fmt.Fprintf(os.Stderr, "Full HTTP response: %v\n", r) } // response from `BatchGetExchangeRates`: []ExchangeRate fmt.Fprintf(os.Stdout, "Response from `PaymentAPI.BatchGetExchangeRates`: %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.PaymentApi(); const token_ids = "ETH_USDT,ETH_USDC,BTC_USDT"; const currencies = "USD"; apiInstance.batchGetExchangeRates(token_ids, currencies).then( (data) => { console.log("API called successfully. Returned data: " + data); }, (error) => { console.error(error); }, ); ``` ## OpenAPI ````yaml get /payments/exchange_rates 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: /payments/exchange_rates: get: tags: - Payment summary: Batch get exchange rates description: > This operation retrieves the current exchange rates between multiple fiat currencies and cryptocurrencies. operationId: batch_get_exchange_rates parameters: - name: token_ids in: query required: true schema: type: string example: ETH_USDT,ETH_USDC,BTC_USDT description: | A list of token IDs, separated by comma. Supported values include: - USDC: `ETH_USDC`, `ARBITRUM_USDCOIN`, `SOL_USDC`, `BASE_USDC`, `MATIC_USDC2`, `BSC_USDC` - USDT: `TRON_USDT`, `ETH_USDT`, `ARBITRUM_USDT`, `SOL_USDT`, `BASE_USDT`, `MATIC_USDT`, `BSC_USDT` - name: currencies in: query required: true schema: type: string example: USD description: > A list of fiat currencies, separated by comma. Currently, only `USD` is supported. responses: '200': $ref: '#/components/responses/batchGetExchangeRatesResponse' 4XX: $ref: '#/components/responses/badRequestError' 5XX: $ref: '#/components/responses/internalServerError' components: responses: batchGetExchangeRatesResponse: description: The request was successful. content: application/json: schema: type: array items: $ref: '#/components/schemas/ExchangeRate' 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: ExchangeRate: type: object required: - token_id - currency - rate properties: token_id: type: string description: The token ID, which identifies the cryptocurrency. example: ETH_USDT currency: type: string description: The fiat currency. example: USD rate: type: string description: >- The current exchange rate between the specified currency pair. Expressed as the amount of fiat currency per one unit of cryptocurrency. For example, if the cryptocurrency is USDT and the fiat currency is USD, a rate of "0.99" means 1 USDT = 0.99 USD. example: '1.00' 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. ````