{"templateId":"markdown","sharedDataIds":{"sidebar":"sidebar-products/wallet/sidebars.yaml"},"props":{"metadata":{"markdoc":{"tagList":["admonition"]},"type":"markdown"},"seo":{"title":"Estimating transaction fees","description":"User guides, API reference, and support resources.","siteUrl":"https://docs.ripple.com/products/custody","lang":"en-US","llmstxt":{"hide":false,"sections":[{"title":"Table of contents","includeFiles":["**/*"],"excludeFiles":[]}],"excludeFiles":[]}},"dynamicMarkdocComponents":[],"compilationErrors":[],"ast":{"$$mdtype":"Tag","name":"article","attributes":{},"children":[{"$$mdtype":"Tag","name":"Heading","attributes":{"level":1,"id":"estimating-transaction-fees","__idx":0},"children":["Estimating transaction fees"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Wallet-as-a-Service (Palisade)'s Transaction Fee Estimation API allows customers to preview network fees before executing transfers of their digital assets. See the ",{"$$mdtype":"Tag","name":"a","attributes":{"href":"/products/wallet/api-docs/palisade-api/palisade-api"},"children":["Wallet-as-a-Service (Palisade) API"]}," for details."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["As a result, customers can properly budget for transaction costs and choose the optimal fee level based on the urgency of the transaction."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":2,"id":"how-to-estimate-transaction-fees-via-the-api","__idx":1},"children":["How to estimate transaction fees via the API"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Use this new endpoint to get accurate fee estimates for transactions across supported blockchains:"]},{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"header":{"controls":{"copy":{}}},"source":"POST /v2/transactions/transfer/estimate-fee\n"},"children":[]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"example-request-body","__idx":2},"children":["Example Request Body:"]},{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"json","header":{"controls":{"copy":{}}},"source":"{\n    \"blockchain\": \"ETHEREUM\",\n    \"symbol\": \"USDT\",\n    \"contract\": \"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\n    \"originAddress\": \"0x55502b9d5a68b0F8a48384352295BeD968aD8AA4\"\n}\n","lang":"json"},"children":[]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"example-response","__idx":3},"children":["Example Response:"]},{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"data-language":"json","header":{"controls":{"copy":{}}},"source":"{\n    \"evm\": {\n        \"gasPrice\": \"300000000\",\n        \"baseFee\": \"100000000\",\n        \"priorityFee\": \"200000000\",\n        \"gasLimit\": \"65156\"\n    },\n    \"networkFees\": {\n        \"average\": \"0.0000195468\",\n        \"fast\": \"0.0001042496\",\n        \"fastest\": \"0.0001694056\",\n        \"slow\": \"0.0000195468\",\n        \"slowest\": \"0.0000065156\"\n    }\n}\n","lang":"json"},"children":[]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["As you can see in the Example Response, the API will return 5 speed tiers (slowest to fastest) and their associated fees. Customers have the option to pay a higher fee for the transaction to be processed more quickly."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["For Ethereum and compatible chains, the API will also return detailed gas information including:"]},{"$$mdtype":"Tag","name":"ul","attributes":{},"children":[{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Gas price (in gwei)"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Base fee (in gwei)"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Priority fee (in gwei)"]},{"$$mdtype":"Tag","name":"li","attributes":{},"children":["Estimated gas limit."]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Once customers have previewed the fee options, they can then specify their desired network fee in the transfer API. 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