monero-site/knowledge-base/developer-guides/wallet-rpc.md

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Introduction

This is a list of the monero-wallet-rpc calls, their inputs and outputs, and examples of each. The program monero-wallet-rpc replaced the rpc interface that was in simplewallet and then monero-wallet-cli.

All monero-wallet-rpc methods use the same JSON RPC interface. For example:

IP=127.0.0.1
PORT=18082
METHOD="make_integrated_address"
PARAMS="{\"payment_id\":\"1234567890123456789012345678900012345678901234567890123456789000\"}"
curl \
    -X POST http://$IP:$PORT/json_rpc \
    -d '{"jsonrpc":"2.0","id":"0","method":"'$METHOD'","params":'"$PARAMS"'}' \
    -H 'Content-Type: application/json'

Note: "atomic units" refer to the smallest fraction of 1 XMR according to the monerod implementation. 1 XMR = 1e12 atomic units.

Index of JSON RPC Methods:

• getbalance
• getaddress
• getheight
• transfer
• transfer_split
• sweep_dust
• store
• get_payments
• get_bulk_payments
• incoming_transfers
• query_key
• make_integrated_address
• split_integrated_address
• stop_wallet

---

JSON RPC Methods:

getbalance

Return the wallet's balance.

Inputs: None.

Outputs:

• balance - unsigned int; The total balance of the current monero-wallet-rpc in session.
• unlocked_balance - unsigned int; Unlocked funds are those funds that are sufficiently deep enough in the Monero blockchain to be considered safe to spend.

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"getbalance"}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "balance": 140000000000, "unlocked_balance": 50000000000 } }

getaddress

Return the wallet's address.

Inputs: None.

Outputs:

• address - string; The 95-character hex address string of the monero-wallet-rpc in session.

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"getaddress"}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "address": "427ZuEhNJQRXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQGaDsaBA" } }

getheight

Returns the wallet's current block height.

Inputs: None.

Outputs:

• height - string; The current monero-wallet-rpc's blockchain height. If the wallet has been offline for a long time, it may need to catch up with the daemon.

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"getheight"}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "height": 994310 } }

transfer

Send monero to a number of recipients.

Inputs:

• destinations - array of destinations to receive XMR:

  • amount - unsigned int; Amount to send to each destination, in atomic units.
  • address - string; Destination public address.

• fee - unsigned int; Ignored, will be automatically calculated.

• mixin - unsigned int; Number of outpouts from the blockchain to mix with (0 means no mixing).

• unlock_time - unsigned int; Number of blocks before the monero can be spent (0 to not add a lock).

• payment_id - string; (Optional) Random 32-byte/64-character hex string to identify a transaction.

• get_tx_key - boolean; (Optional) Return the transaction key after sending. Outputs:

• tx_hash - array of: string

• tx_key -

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"transfer","params":{"destinations":[{"amount":10000000000000,"address":"427ZuEhNJQRXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQGaDsaBA"},{"amount":200000000000,"address":"49VtwYXDbbh7hq57wwkLH36x4D6XV6Tr2P93ANnBi9qFGyYZbx8SXWPUHC9V1o7N41b4c3WJ1kubkffRfPTPfMuB8QUqFD5"}],"fee":150000000000,"mixin":3,"unlock_time":0,"payment_id":"001f181e2a2e076e8451e9dd7b5fe8fbd2b204cd6a20cb3e21b9a2a42b0ce03c","get_tx_key":true}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "tx_hash": "<29d933789db5483fa63694ed2560d3829dbf0b945fdea3c42fbfa4d381e7ac22>", "tx_key": "<c228dff7aa455d770f8cf71b9d319d2055a125cfbac1ca9485aeb1a107604d0d>" } }

transfer_split

Same as transfer, but can split into more than one tx if necessary.

Inputs:

• destinations - array of destinations to receive XMR:
  • amount - unsigned int; Amount to send to each destination, in atomic units.
  • address - string; Destination public address.
• fee - unsigned int; Ignored, will be automatically calculated.
• mixin - unsigned int; Number of outpouts from the blockchain to mix with (0 means no mixing).
• unlock_time - unsigned int; Number of blocks before the monero can be spent (0 to not add a lock).
• payment_id - string; (Optional) Random 32-byte/64-character hex string to identify a transaction.
• get_tx_key - boolean; (Optional) Return the transaction key after sending.
• new_algorithm - boolean; True to use the new transaction construction algorithm, defaults to false.

Outputs:

• tx_hash_list - array of: string

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"transfer_split","params":{"destinations":[{"amount":2000000000000,"address":"427ZuEhNJQRXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQGaDsaBA"},{"amount":3000000000000,"address":"49VtwYXDbbh7hq57wwkLH36x4D6XV6Tr2P93ANnBi9qFGyYZbx8SXWPUHC9V1o7N41b4c3WJ1kubkffRfPTPfMuB8QUqFD5"}],"mixin":3,"unlock_time":0,"payment_id":"a29602cc261fecbc93c22a152a942cc791ca6112cffe201c3e809945c9da672f","get_tx_key":true,"new_algorithm":true}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "tx_hash_list": ["<fb39c42cb5ff231ee9e8b381bb8734fd655b6ca28a23cbd82aa9422aa870e91b>"] } }

sweep_dust

Send all dust outputs back to the wallet's, to make them easier to spend (and mix).

Inputs: None.

Outputs:

• tx_hash_list - list of: string

Example (In this example, sweep_dust returns an error due to insufficient funds to sweep):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"sweep_dust"}' -H 'Content-Type: application/json' { "error": { "code": -4, "message": "not enough money" }, "id": "0", "jsonrpc": "2.0" }

store

Save the blockchain.

Inputs: None.

Outputs: None.

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"store"}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { } }

get_payments

Get a list of incoming payments using a given payment id.

Inputs:

• payment_id - string

Outputs:

• payments - list of:
  • payment_id - string
  • tx_hash - string
  • amount - unsigned int
  • block_height - unsigned int
  • unlock_time - unsigned int

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"get_payments","params":{"payment_id":"4279257e0a20608e25dba8744949c9e1caff4fcdafc7d5362ecf14225f3d9030"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "payments": [{ "amount": 10350000000000, "block_height": 994327, "payment_id": "4279257e0a20608e25dba8744949c9e1caff4fcdafc7d5362ecf14225f3d9030", "tx_hash": "c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1", "unlock_time": 0 }] } }

get_bulk_payments

Get a list of incoming payments using a given payment id, or a list of payments ids, from a given height. This method is the preferred method over get_payments because it has the same functionality but is more extendable. Either is fine for looking up transactions by a single payment ID.

Inputs:

• payment_ids - array of: string
• min_block_height - unsigned int; The block height at which to start looking for payments.

Outputs:

• payments - list of:
  • payment_id - string
  • tx_hash - string
  • amount - unsigned int
  • block_height - unsigned int
  • unlock_time - unsigned int

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"get_bulk_payments","params":{"payment_ids":["4279257e0a20608e25dba8744949c9e1caff4fcdafc7d5362ecf14225f3d9030"],"min_block_height":990000}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "payments": [{ "amount": 10350000000000, "block_height": 994327, "payment_id": "4279257e0a20608e25dba8744949c9e1caff4fcdafc7d5362ecf14225f3d9030", "tx_hash": "c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1", "unlock_time": 0 }] } }

incoming_transfers

Return a list of incoming transfers to the wallet.

Inputs:

• transfer_type - string; "all": all the transfers, "available": only transfers which are not yet spent, OR "unavailable": only transfers which are already spent.

Outputs:

• transfers - list of:
  • amount - unsigned int
  • spent - boolean
  • global_index - unsigned int; Mostly internal use, can be ignored by most users.
  • tx_hash - string; Several incoming transfers may share the same hash if they were in the same transaction.
  • tx_size - unsigned int

Example (Return "all" transaction types):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"incoming_transfers","params":{"transfer_type":"all"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "transfers": [{ "amount": 10000000000000, "global_index": 711506, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 },{ "amount": 300000000000, "global_index": 794232, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 },{ "amount": 50000000000, "global_index": 213659, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 }] } }

Example (Return "available" transactions):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"incoming_transfers","params":{"transfer_type":"available"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "transfers": [{ "amount": 10000000000000, "global_index": 711506, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 },{ "amount": 300000000000, "global_index": 794232, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 },{ "amount": 50000000000, "global_index": 213659, "spent": false, "tx_hash": "<c391089f5b1b02067acc15294e3629a463412af1f1ed0f354113dd4467e4f6c1>", "tx_size": 5870 }] } }

Example (Return "unavailable" transaction. Note that this particular example returns 0 unavailable transactions):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"incoming_transfers","params":{"transfer_type":"unavailable"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { } }

query_key

Return the spend or view private key.

Inputs:

• key_type - string; Which key to retrieve: "mnemonic" - the mnemonic seed (older wallets do not have one) OR "view_key" - the view key

Outputs:

• key - string; The view key will be hex encoded, while the mnemonic will be a string of words.

Example (Query view key):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"query_key","params":{"key_type":"view_key"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "key": "7e341d..." } }

Example (Query mnemonic key):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"query_key","params":{"key_type":"mnemonic"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "key": "adapt adapt nostril ..." } }

make_integrated_address

Make an integrated address from the wallet address and a payment id.

Inputs:

• payment_id - string; hex encoded; can be empty, in which case a random payment id is generated

Outputs:

• integrated_address - string

Example (Payment ID is empty, use a random ID):

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"make_integrated_address","params":{"payment_id":""}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "integrated_address": "4BpEv3WrufwXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQQ8H2RRJveAtUeiFs6J" } }

split_integrated_address

Retrieve the standard address and payment id corresponding to an integrated address.

Inputs:

• integrated_address - string

Outputs:

• standard_address - string
• payment - string; hex encoded

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"split_integrated_address","params":{"integrated_address": "4BpEv3WrufwXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQQ8H2RRJveAtUeiFs6J"}}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { "payment_id": "<420fa29b2d9a49f5>", "standard_address": "427ZuEhNJQRXoyJAeEoBaNW56ScQaLXyyQWgxeRL9KgAUhVzkvfiELZV7fCPBuuB2CGuJiWFQjhnhhwiH1FsHYGQGaDsaBA" } }

stop_wallet

Stops the wallet, storing the current state.

Inputs: None.

Outputs: None.

Example:

{:.cli-code} [ monero->~ ]$ curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"stop_wallet"}' -H 'Content-Type: application/json' { "id": "0", "jsonrpc": "2.0", "result": { } }

make_uri

Create a payment URI using the official URI spec.

Inputs:

• address - wallet address string
• amount (optional) - the integer amount to receive, in atomic units
• payment_id (optional) - 16 or 64 character hexadecimal payment id string
• recipient_name (optional) - string name of the payment recipient
• tx_description (optional) - string describing the reason for the tx

Outputs:

• uri - a string containing all the payment input information as a properly formatted payment URI

Example:

{:.cli-code} [ monero->~ ]$curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"make_uri","params":{"address":"46ymor5FZyNPS1FetxidU1HcnY1zQxvcq8hZWRvHE21oGGF1xiRgPBWUGkV9jZgj156TKuTbWnwihfHwfvQ5yevPUMxaYKS","amount":10,"payment_id":"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef","tx_description":"Testing out the make_uri function.","recipient_name":"Monero Project donation address"}}' -H 'Content-Type: application/json' { "id": 0, "jsonrpc": "2.0", "result": { "uri": "monero:46ymor5FZyNPS1FetxidU1HcnY1zQxvcq8hZWRvHE21oGGF1xiRgPBWUGkV9jZgj156TKuTbWnwihfHwfvQ5yevPUMxaYKS?tx_payment_id=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef&tx_amount=0.000000000010&recipient_name=Monero%20Project%20donation%20address&tx_description=Testing%20out%20the%20make_uri%20function." } }

parse_uri

Parse a payment URI to get payment information.

Inputs:

• uri - a string containing all the payment input information as a properly formatted payment URI

Outputs:

• uri - JSON object containing parment information:
  • address - wallet address string
  • amount - the decimal amount to receive, in coin units (0 if not provided)
  • payment_id - 16 or 64 character hexadecimal payment id string (empty if not provided)
  • recipient_name - string name of the payment recipient (empty if not provided)
  • tx_description - string describing the reason for the tx (empty if not provided)

Example:

{:.cli-code} [ monero->~ ]$curl -X POST http://127.0.0.1:18082/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"parse_uri","params":{"uri":"monero:46ymor5FZyNPS1FetxidU1HcnY1zQxvcq8hZWRvHE21oGGF1xiRgPBWUGkV9jZgj156TKuTbWnwihfHwfvQ5yevPUMxaYKS?tx_payment_id=0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef&tx_amount=0.000000000010&recipient_name=Monero%20Project%20donation%20address&tx_description=Testing%20out%20the%20make_uri%20function."}}' -H 'Content-Type: application/json' { "id": 0, "jsonrpc": "2.0", "result": { "uri": { "address": "46ymor5FZyNPS1FetxidU1HcnY1zQxvcq8hZWRvHE21oGGF1xiRgPBWUGkV9jZgj156TKuTbWnwihfHwfvQ5yevPUMxaYKS", "amount": 10, "payment_id": "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", "recipient_name": "Monero Project donation address", "tx_description": "Testing out the make_uri function." } } }