Please note: the API calls are universal. They will work on any operating system. You need to have enabled API documentation in your settings.json file for using API calls. You can only run these calls on the computer acting as a node which will need to be fully synced!

Here is the line: "apiDocumentationEnabled": true

List of mostly used API calls:

Your Qortal Node API Documentation/Access:

http://localhost:12391/api-documentation/

Your core block chain height, core status (minting or syncing), number of connected nodes:

http://localhost:12391/admin/status

Your Qortal Node Admin Information (your up time & Build Version):

http://localhost:12391/admin/info

Your Qortal Node Information (Address, PublicKey, Blocks Minted):

http://localhost:12391/addresses/(INPUT_YOUR_ADDRESS)

Adding new peer to your DB:

http://localhost:12391/api-documentation/#/Peers/addPeer

Ditch chain to set height:

If your core is stuck at some height, you can try to ditch blocks to some height and re-sync from there. You are inputting height to ditch to. If you will input 300000, your core will drop blocks up to 300000 and then start to sync from that height and catch back up to the right height. If during the roll back you notice its getting slower or stalling, just close core and repeat steps, sometimes you need to repeat the steps a couple to roll back to your desired block quickly:

http://localhost:12391/api-documentation/#/Admin/orphan

Version 3.0 & the 'API Key'

In core version 3.0.1 and beyond, there is now an 'apikey.txt' file that is created by the UI when accessing the Qortal core. This file is located in the qortal core folder. You will need to utilize this file with 'sensitive' API calls in order to make them function.

Any API call that has the X-API-KEY section in it, will require the API key to be input in order to function. For calls that have that, simply open the apikey.txt, copy the API key, and put in the API key into that field when making the call. If you do not do this, the call will not function.

New 'API Version'

Any API call that has the X-API-VERSION section in it, will require the desired API version to be input in order to function. When using version 1, the API will simply return with "TRUE" if the transaction is accepted. When using vesion 2, the API will return with json formatted data containing the transaction details.

NOTE: As a prerequisite, you will need to get your wallet private key.

WARNING: If this key is stolen, you will lose your funds.

Better to not save this key in a file. After used, clear your browser cache as well as your copy-paste clipboard.

a. Start the UI
b. Go to http://localhost:12388/
c. Set developer mode from browser
(ex Chrome: More tool→Development Tools), and Go to the "Console" tab
d. Login to the Wallet account
e. To display your private key, execute in console:
Base58.encode(reduxStore.getState().app.selectedAddress.seed)

1: Find the API call for the desired transaction.

It will say "Build raw, unsigned, … transaction". Click the heading then click the "Try it out" button. Edit all the keys to their proper values for this tx. Fee is 0.001 and enter reference and timestamp last. (see info at 1a & 1b) Press "Execute" and copy the entire Response Body.

1a: Reference is retrieved using the following API call:

/addresses/lastreference/{address}

1b: Timestamp is retrieved using the following API call:

/utils/timestamp

2: Sign the raw, unsigned transaction with API call:

/transactions/sign

Enter your Private Key and the Response Body from step 1. Press "Execute" and copy the entire Response Body.

3: Submit signed transaction with API call:

/transactions/process

Paste the Response Body from step 2 and press "Execute".