# Split > API Base > > Test URL: > > Main URL: You can split the CAT20 assets of a specified address into different addresses through the following interface. {% openapi src="" path="/brc20swap/get\_split\_cat20\_psbts" method="post" %} [cat20.json](https://2330303583-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXEWf0ylbbPQ6t8CoOLdL%2Fuploads%2Fgit-blob-9cfdc7d54bba6754204418c069472d543f156ccb%2Fcat20.json?alt=media) {% endopenapi %} ### Split Users' CAT20 {% tabs %} {% tab title="Parameter Example" %} ```json { "tick": "dog:b1071ae617c66050d518587f67564885ca1a618b387a15f84001e3fa244ef3d6_0", "is_ofc_token": false, "user_addr": "bc1pxul8mg4fvx....cxej453h24smw03s0", "user_pubkey": "02d3ac7452920b1cc4....0a8c0aac6e3446e633a73ea63eee81", "cat_20_output_to_split": "08806ff819db249637a7c1cc762e4f9e29182d7dc658b7571f12c2b539106a1f:2", "token_addr": "bc1pxul8mg4fvx....cxej453h24smw03s0", "fee_rate": 9, "toinfos": [ { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 } ] ``` {% endtab %} {% endtabs %} {% hint style="info" %} Regarding `cat_20_output_to_split`, you need to query the corresponding CAT20 UTXO of the corresponding address, find the UTXO you want to split, and then concatenate it with the txId and outputIndex of the corresponding UTXO Query address reference (please replace tokenIdOrTokenAddr and ownerAddrOrPkh) * [Testnet URL](https://tracker-fractal-testnet/api/tokens/%7BtokenIdOrTokenAddr%7D/addresses/%7BownerAddrOrPkh%7D/utxos) * [Mainnet URL](https://tracker-fractal-mainnet.catprotocol.org/api/tokens/%7BtokenIdOrTokenAddr%7D/addresses/%7BownerAddrOrPkh%7D/utxos) {% endhint %} ### Split Official CAT20 If you're using DotSwap's [CAT20 deposit endpoint](https://docs.on.nexus/dotswap/developers/swap_v2/cat20#v1-deposit), you can use these 2 endpoints to split your deposited CAT20 tokens (aka "official CAT20", since they are in DotSwap's liquidity pool.) * When you first call the deposit endpoint `/create_deposit_cat20_psbtv2`, you can set the parameter `not_split:true`. * If the deposit is succesful, `/create_deposit_cat20_order_by_psbt` will return `receiver_addr` and `txid`.
**Then, you can use the following parameters to call the split endpoint** `POST` `/brc20swap/get_split_cat20_psbts`. {% tabs %} {% tab title="Parameter Example" %} ```json { // These two parameters should be set to true by default "is_ofc_token": true, "is_average_split": true, // This is the wallet you used for the deposit "user_addr": "bc1psx048lgxx9qlgnw2yjn6vw7ndz07f5rdlfxraqpxkr84tqa7670sagd4k8", "user_pubkey": "03c22e2f276e66c24e515b24a0c6bcf53852b046b31bbaf98d3f3075c005729691", // The token to be split (keep the same as the token name you deposited) "tick": "dog:b1071ae617c66050d518587f67564885ca1a618b387a15f84001e3fa244ef3d6_0", // This is the txid + :1 returned by the deposit interface (:1 is fixed) "cat_20_output_to_split": "3c92ae8ce3fd6377ac9316a28ded9ca5daef835dd3cf2613b8047c1ee9bbf530:1", // This is the receiver_addr returned by the deposit interface "token_addr": "bc1plsm7wgedgkguhk5xyllhyml2zstu0z7zs353hq7h6jlvu5puf4sqhc2l5t", // The number should be greater than 4 "split_num": 5, "fee_rate": 9 } ``` {% endtab %} {% tab title="cURL Example" %} {% code overflow="wrap" %} ```bash curl 'https://test-api-proxy.ddpurse.com/brc20swap/get_split_cat20_psbts' \ -H 'Accept: application/json, text/plain, */*' \ -H 'Accept-Language: en' \ -H 'Cache-Control: no-cache' \ -H 'Connection: keep-alive' \ -H 'Content-Type: application/json' \ -H 'Origin: http://localhost:60002' \ -H 'Pragma: no-cache' \ -H 'Referer: http://localhost:60002/' \ -H 'Sec-Fetch-Dest: empty' \ -H 'Sec-Fetch-Mode: cors' \ -H 'Sec-Fetch-Site: cross-site' \ -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36' \ -H 'sec-ch-ua: "Google Chrome";v="131", "Chromium";v="131", "Not_A Brand";v="24"' \ -H 'sec-ch-ua-mobile: ?0' \ -H 'sec-ch-ua-platform: "macOS"' \ --data-raw '{"tick":"dog:b1071ae617c66050d518587f67564885ca1a618b387a15f84001e3fa244ef3d6_0","is_ofc_token":true,"user_addr":"bc1psx048lgxx9qlgnw2yjn6vw7ndz07f5rdlfxraqpxkr84tqa7670sagd4k8","user_pubkey":"03c22e2f276e66c24e515b24a0c6bcf53852b046b31bbaf98d3f3075c005729691","cat_20_output_to_split":"3c92ae8ce3fd6377ac9316a28ded9ca5daef835dd3cf2613b8047c1ee9bbf530:1","token_addr":"bc1plsm7wgedgkguhk5xyllhyml2zstu0z7zs353hq7h6jlvu5puf4sqhc2l5t","fee_rate":9,"is_average_split":true,"split_num":5}' ``` {% endcode %} {% endtab %} {% endtabs %} {% openapi src="" path="/brc20swap/save\_split\_cat20\_psbts" method="post" %} [cat20.json](https://2330303583-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXEWf0ylbbPQ6t8CoOLdL%2Fuploads%2Fgit-blob-9cfdc7d54bba6754204418c069472d543f156ccb%2Fcat20.json?alt=media) {% endopenapi %} {% tabs %} {% tab title="Request Parameters" %} ```typescript // Inherit the parameters of the previous interface export interface SaveSplitCat20PsbtsBody extends GetSplitCat20PsbtsBody { psbts: string[]; } ``` {% endtab %} {% tab title="Return Result" %} ```typescript export interface SaveSplitCat20PsbtsRes { tx_id: string; } ``` {% endtab %} {% tab title="Parameter Example" %} ```json { "tick": "dog:b1071ae617c66050d518587f67564885ca1a618b387a15f84001e3fa244ef3d6_0", "is_ofc_token": false, "user_addr": "bc1pxul8mg4fvx....cxej453h24smw03s0", "user_pubkey": "02d3ac7452920b1cc4....0a8c0aac6e3446e633a73ea63eee81", "cat_20_output_to_split": "08806ff819db249637a7c1cc762e4f9e29182d7dc658b7571f12c2b539106a1f:2", "token_addr": "bc1pxul8mg4fvx....cxej453h24smw03s0", "fee_rate": 9, "toinfos": [ { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 }, { "to_addr": "bc1pxrvq4n9ud.....587lf3xszyyczr", "to_amt": 5 } ], "order_id": "", "psbts": [ "cHNidP8BAN8CAAAAAW42i3ZHxnggGQix2qGq0QCVR98cmvoVNLxMbzPUBnJ6AwAAAAD/////BDpmAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNIkcAAAAAAAACJRIPHDJ8pFgNQadCvDlFlD2x86fkoECKjpRkGYE7t7okTS8GQAAAAAAAAiUSDxwyfKRYDUGnQrw5RZQ9sfOn5KBAio6UZBmBO7e6JE0hhIAAAAAAAAIlEgNz59oqlhjCWSvFug6GaqBjCay2GnqDP1EP4NmVaRuqsAAAAAAAEBK9mLAQAAAAAAIlEgNz59oqlhjCWSvFug6GaqBjCay2GnqDP1EP4NmVaRuqsBAwQBAAAAARNBrdAMj8AHGH76p3kp379osjZjhI4myNs6mcVRJOeCJgsMk7yKmZQx/enI5MAEsTm2ljWnT6xdajN2i68FvcyQHwEBFyDTrHRSkgscxGU1Ft1PQ4Gi3wqMCqxuNEbmM6c+pj7ugQAAAAAA", "cHNidP8BAKwCAAAAAUV4KF9qW9jpts4tPyGS0dmlR0h8+Qz+8Hu6reMArHenAAAAAAD/////AwAAAAAAAAAAGmoYY2F0AZ+Zmft96aoXbolo7Pw2FV21AHtkSgEAAAAAAAAiUSBS9ewkaBUSiJ92WjMTt0ag6SsB3z9OSEBCNpBqH/Ri/kheAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNIAAAAAAAEBKzpmAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNIBCEIBQLp039gq0GzSfhmnOxTJ/Olq+CahVb1dh9WD/Oj+MS0okK7Q4f530iE/UWf12dnCjmvAMjF+yrOfDT1g8BJePqQAAAAA", "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" ] } ``` {% endtab %} {% tab title="cURL Example" %} {% code overflow="wrap" %} ```bash curl 'https://test-api-proxy.ddpurse.com/brc20swap/save_split_cat20_psbts' \ -H 'Accept: application/json, text/plain, */*' \ -H 'Accept-Language: en' \ -H 'Cache-Control: no-cache' \ -H 'Connection: keep-alive' \ -H 'Content-Type: application/json' \ -H 'Origin: http://localhost:60002' \ -H 'Pragma: no-cache' \ -H 'Referer: http://localhost:60002/' \ -H 'Sec-Fetch-Dest: empty' \ -H 'Sec-Fetch-Mode: cors' \ -H 'Sec-Fetch-Site: cross-site' \ -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36' \ -H 'sec-ch-ua: "Google Chrome";v="131", "Chromium";v="131", "Not_A Brand";v="24"' \ -H 'sec-ch-ua-mobile: ?0' \ -H 'sec-ch-ua-platform: "macOS"' \ --data-raw '{"tick":"dog:b1071ae617c66050d518587f67564885ca1a618b387a15f84001e3fa244ef3d6_0","is_ofc_token":true,"user_addr":"bc1psx048lgxx9qlgnw2yjn6vw7ndz07f5rdlfxraqpxkr84tqa7670sagd4k8","user_pubkey":"03c22e2f276e66c24e515b24a0c6bcf53852b046b31bbaf98d3f3075c005729691","cat_20_output_to_split":"3c92ae8ce3fd6377ac9316a28ded9ca5daef835dd3cf2613b8047c1ee9bbf530:1","token_addr":"bc1plsm7wgedgkguhk5xyllhyml2zstu0z7zs353hq7h6jlvu5puf4sqhc2l5t","fee_rate":9,"is_average_split":true,"split_num":5,"order_id":"","psbts":["cHNidP8BAIkCAAAAARJTZeYyavrM5m1L5sK4rahTDlRR7G1Kgao/c+LUK3IJAwAAAAD/////AqFuAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNJj2WECAAAAACJRIIGfU/0GMUH0Tcokp6Y702if5NBt+kw+gCawz1WDvtefAAAAAAABAStxTWICAAAAACJRIIGfU/0GMUH0Tcokp6Y702if5NBt+kw+gCawz1WDvtefAQMEAQAAAAETQcJ21qTEi6F1QoNEClyyVKH5Npik3n8dvgC9hV1/CjNdXZ4mKhuwEP53G6IHYdcSuCVzgOD1ilAa9/OeA5vIjSYBARcgwi4vJ25mwk5RWySgxrz1OFKwRrMbuvmNPzB1wAVylpEAAAA=","cHNidP8BAKwCAAAAAf5gw44vaKscEIOdEQ1JrGCKx4HfkYbuvXa7LnCZ3s24AAAAAAD/////AwAAAAAAAAAAGmoYY2F0AWRURBrWYrooP0U81DTquW48pBCHSgEAAAAAAAAiUSBS9ewkaBUSiJ92WjMTt0ag6SsB3z9OSEBCNpBqH/Ri/q9mAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNIAAAAAAAEBK6FuAAAAAAAAIlEg8cMnykWA1Bp0K8OUWUPbHzp+SgQIqOlGQZgTu3uiRNIBCEIBQARHENDsE+fqRt7GqUW/UWzmg9RTq6p41vhjQEty6gWzOgta8ogVNywJrvFUbQm15DMru4/emVjiDwl0GFf0Ys4AAAAA","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"]}' ``` {% endcode %} {% endtab %} {% endtabs %}