API

The JUST API provides two groups of endpoints.

Market Data - Endpoints relating to Supply and Borrow Markets, sTRX Staking Markets

Activity - Endpoints relating to user interactions with Supply and Borrow Markets, sTRX Staking Markets and Energy Rental Markets

Base URL

The JustLend Protocol API is decentralized and hosted on IPFS, mapping the following DNS names to their respective gateways:

Mainnet: https://openapi.just.network Testnet: https://testopenapi.just.network

Endpoint Details

Market Endpoints

Get Supply and Borrow Market Information

Return the list of market information.

https://openapi.just.network/lend/jtoken

Try this endpoint in your browser 🔗

Request

Query Parameters

No Parameters

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	token information of each market

Output

Sample：
{
    "code": 0,
    "data": {
        "tokenList": [
            {
                "address": "TE2RzoSV3wFK99w6J9UnnZ4vLfXYoxvRwP",
                "borrowIndex": "1224530412174750380",
                "borrowRate": "0.064673716541040000",
                "cash": "349909392.537020000000000000",
                "collateralFactor": "0.750000000000000000",
                "exchangeRate": "0.010448063811832339",
                "reserveFactor": "0.100000000000000000",
                "reserves": "2300647.881336000000000000",
                "supplyRate": "0.009044500002192000",
                "symbol": "jTRX",
                "totalBorrows": "63951044.565948000000000000",
                "totalSupply": "39391010299.49149122",
                "underlyingAddress": "T9yD14Nj9j7xAB4dbGeiX9h8unkKHxuWwb",
                "underlyingDecimal": 6,
                "underlyingPriceInTrx": "1.000000000000000000000000",
                "underlyingSymbol": "TRX"
            },
            ... 
        ]
    },
    "message": "SUCCESS"
}

Get sTRX Staking and Energy Rental Markets Information

Return the sTRX staking and energy rental markets information.

https://openapi.just.network/lend/strx

Try this endpoint in your browser 🔗

Request

Query Parameters

No Parameters

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	rent and stake information of each market

Output

Sample：
{
    "code": 0,
    "data": {
        "rentInfo": {
            "priceFor10KEnergByBurn": "4.20000000",
            "priceFor10KEnergByRent": "0.62942700",
            "priceFor10KEnergByStake": "751.26757603",
            "rentMarketAddress": "TU2MJ5Veik1LRAgjeSzEdvmDYx7mefJZvd",
            "totalDelegatedEnergyRate": "0.09000960",
            "totalDelegatedEnergyTrx": "44655753.977400"
        },
        "stakeInfo": {
            "decimal": "18",
            "exchangeRate": "1.066512539052733131",
            "rentReserveFactor": "0.200000000000000000",
            "reserves": "6388303.396213",
            "rewardReserveFactor": "0.200000000000000000",
            "strxAddress": "TU3kjFuhtEo42tsCBtfYUAZxoqQ4yuSLQ5",
            "supplyRate": "0.05523306",
            "symbol": "sTRX",
            "totalSupply": "465151516.636180968215445743",
            "totalSupplyUsd": "60500822.89916245",
            "totalUnderlying": "496089925.051883",
            "trxPrice": "0.121955354954719223",
            "underlyingDecimal": "6"
        }
    },
    "message": "SUCCESS"
}

Activity

Get Account Information

Return the list of user account information.

https://openapi.just.network/lend/account

Try this endpoint in your browser 🔗

Request

Query Parameters

Parameter	Tpye
address	string	query of the addresses list
minBorrowValueInTrx	string	query the minimum value of borrowed asset in TRX
mathHealth	string	query the max health level
pageNo	integer	page number
pageSize	integer	page size, maximum 1000

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	user token information

Output

Sample：
{
    "code": 0,
    "data": {
        "tokenList": [
            {
                "address": "TE2RzoSV3wFK99w6J9UnnZ4vLfXYoxvRwP",
                "borrowIndex": "1224530412174750380",
                "borrowRate": "0.064673716541040000",
                "cash": "349909392.537020000000000000",
                "collateralFactor": "0.750000000000000000",
                "exchangeRate": "0.010448063811832339",
                "reserveFactor": "0.100000000000000000",
                "reserves": "2300647.881336000000000000",
                "supplyRate": "0.009044500002192000",
                "symbol": "jTRX",
                "totalBorrows": "63951044.565948000000000000",
                "totalSupply": "39391010299.49149122",
                "underlyingAddress": "T9yD14Nj9j7xAB4dbGeiX9h8unkKHxuWwb",
                "underlyingDecimal": 6,
                "underlyingPriceInTrx": "1.000000000000000000000000",
                "underlyingSymbol": "TRX"
            },
            ... 
        ]
    },
    "message": "SUCCESS"
}

Get user data of sTRX liquidity staking

Returns the list of user sTRX staking information.

https://openapi.just.network/lend/strxStake/account

Try this endpoint in your browser 🔗

Request

Query Parameters

Parameter	Tpye
address	string	query of the addresses list
pageNo	integer	page number, starting from 1
pageSize	integer	page size, maximum 1000
minStrxBalance	string	minimum amount of sTRX held

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	user staking sTRX information

Output

Sample：
{
    "code": 0,
        "data": {
            "totalPage": 61,
            "list": [
                {
                    "address": "TU3kjFuhtEo42tsCBtfYUAZxoqQ4yuSLQ5",
                    "availableWithdrawAmount": "150865439.643028",
                    "unstakingAmount": "5839206.921368",
                    "sTRXBalance": "1.000000000000000000"
                },
                {
                    "address": "TUTde1uYe37xK6G4k3EkxiHheHkNxka1Yo",
                    "availableWithdrawAmount": "1.000000",
                    "unstakingAmount": "0.000000",
                    "sTRXBalance": "99.000000000000000000"
                },
                {
                    "address": "TXU8sXdSJYzhMrxWKQmoEXffvaWcFXbQXE",
                    "availableWithdrawAmount": "0.000007",
                    "unstakingAmount": "0.000000",
                    "sTRXBalance": "10.850239779339813291"
                },
                ...
            ],
        "totalCount": 3029
    },
    "message": "SUCCESS"
}

Get user data of resource rent (only supports Energy Rental currently)

Return the list of user energy rental information.

https://openapi.just.network/lend/rentResource/account

Try this endpoint in your browser 🔗

Request

Query Parameters

Parameter	Tpye
address	string	query of the addresses list
pageNo	integer	page number, starting from 1
pageSize	integer	page size, maximum 1000
minStrxBalance	string	minimum amount of sTRX held
maxRemainingRentAmount	string	maximum remaining rent

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	user rent information

Output

Sample：
{
    "code": 0,
    "data": {
        "totalPage": 847,
        "list": [
            {
                "rentRemainAmount": "0.000000",
                "receiver": "TWdWEHRLPBVGsXhwjSUv45XwnsfUHXydJa",
                "delegatedAmount": "0.000000",
                "rentAmountPerDay": "0.000000",
                "rentType": "Energy",
                "renter": "TWdWEHRLPBVGsXhwjSUv45XwnsfUHXydJa"
            },
            {
                "rentRemainAmount": "0.000000",
                "receiver": "TFTosnoA2Th26qezdxmXMEsLrEerstzzHm",
                "delegatedAmount": "0.000000",
                "rentAmountPerDay": "0.000000",
                "rentType": "Energy",
                "renter": "TFTosnoA2Th26qezdxmXMEsLrEerstzzHm"
            },
            {
                "rentRemainAmount": "0.000000",
                "receiver": "TMvjdJCDj619ihifGLnKSLBx9Xf1oqck3C",
                "delegatedAmount": "0.000000",
                "rentAmountPerDay": "0.000000",
                "rentType": "Energy",
                "renter": "TMvjdJCDj619ihifGLnKSLBx9Xf1oqck3C"
            },
            ...
        ],
        "totalCount": 42310
    },
    "message": "SUCCESS"
}

Supply Mining

Get User Supply Mining Reward

Returns the user's supply mining reward information.

https://openapi.just.network/mining/reward?address=

Try this endpoint in your browser 🔗

Request

Query Parameters

Parameter	Tpye
address	string	query of the user address

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, RewardInfo>>	reward information for each pool

Output Parameters

Parameter	Tpye
lastReward	string	last period reward
currReward	string	current period reward
lastStartTime	string	last period start time
lastEndTime	string	last period end time
lastRewardStatus	string	whether the reward has been distributed in the previous period, 1 not distributed 2 distributed
currStartTime	string	current period start time
currEndTime	string	current period end time
currRewardStatus	string	the current reward status, 1 mining 2 settlement
currPhase	string	current phase
price	string	reward token price

Sample：
{
    "code":0,
    "data":{
        "TKM7w4qFmkXQLEF2MgrQroBYpd5TY7i1pq":{
            "USDDNEW":{
                "currStartTime":"2022-10-27 19:25",
                "lastEndTime":"2022-10-27 19:25",
                "price":"1.000000000000000000",
                "lastStartTime":"2022-10-28 21:00",
                "currEndTime":"2022-11-25 21:00",
                "lastReward":"127.995654",
                "currReward":"137327.054386",
                "currPhase": "24",
                "lastRewardStatus":"2"
            }
        }
    },
    "message":"SUCCESS"
}

Get User Supply Mining Reward Distributions

Return the user's all reward cycles, including those that have been claimed and those that have not been claimed. Filter out the cycles where claimed is false, that is, the unclaimed reward cycles.

https://openapi.just.network/mining/distributions?address=

Try this endpoint in your browser 🔗

Request

Query Parameters

Parameter	Tpye
address	string	query of the user address

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, RewardInfo>>	reward information for each mining period

Output Parameters

Parameter	Tpye
amount	string	amount of rewards
claimed	boolean	whether the reward has been claimed
index	string	parameter index for merkle verification
merkleIndex	string	parameter merkleIndex for merkle verification
proof	list	parameters for merkle verification merkleProof
merkleRoot	string	merkleRoot for merkle verification

Sample：
{
    "code": 0,
    "data": {
        "22": {
            "amount": "0xf748f6f4d54861",
            "claimed": true,
            "index": "0x1801",
            "merkleIndex": "0x00",
            "proof": [
                "0x655c3609bae4d1db3d905b25d3bdd8ec79b83f5288b5756921d02fa7127714de",
                "0xa9a6df5b336a2e52018a079eaec6c477952d56ecfdfdb0745160037c865a83d8",
                "0xdd91a2295b96128ea32196f6a2228970dc22342f957be76c4297b517236a4daf",
                "0xa29184873648fbf6d5fe67db3fc8036c145f4b5e7861c1c35bfa2606826a5d7d",
                "0xdcd82bc3bea2e7a7a1d1a6502ab93c293f92f7e9928f0826d731da9d2a537b41",
                "0xfda762589af4cd6812450f1f8b5b199094a81bde881d4f5f645b4dc32f74547c",
                "0x3fb4c0c830f88413b6b9fd5f6f2a237ea36f1399f292e1303387f0499bda712d",
                "0x2d16294f4390501b16eb8f94f5e8396b76d5307e9a38b099b6cbc5c083aa0534",
                "0x2eabb0d475248f1f7ab63542a2c21f056f80d230cd6fb3c76afd3c32984115be",
                "0x6cf17401cda4a192dc9e05bb5f67ac0e4d20834a93a6db85ddcd9a971720f2d8",
                "0x8a137a9c92302ec8b9194fb313fa8074d308092ba3238e43d57b1972fbda9a33",
                "0xd93c82752e5202d4006fb01a4af3b1381d6f6ae8871f392f993f474b2dc71d20",
                "0xfacc476d236171a5fb8177283188d125756254e18865ce4fbd3367c1dec989e4",
                "0xeed1fc29326b1156d0b44d431e4e3a5b21a78e70d156db235662da428421d2a8",
                "0xb3c366576c84eb2e9a6abb9f9676ef6483a2a4945e4b32482e6ab8c2d8630971"
            ],
            "merkleRoot": "0x560729bcf5ab7fc1916f6d67b22d59b2d007577174e1d6c6b77bd078598ef788"
        },
        "23": {
            "amount": "0xf748f6f4d54861",
            "claimed": false,
            "index": "0x1801",
            "merkleIndex": "0x01",
            "proof": [
                "0x655c3609bae4d1db3d905b25d3bdd8ec79b83f5288b5756921d02fa7127714de",
                "0xa9a6df5b336a2e52018a079eaec6c477952d56ecfdfdb0745160037c865a83d8",
                "0xdd91a2295b96128ea32196f6a2228970dc22342f957be76c4297b517236a4daf",
                "0xa29184873648fbf6d5fe67db3fc8036c145f4b5e7861c1c35bfa2606826a5d7d",
                "0xdcd82bc3bea2e7a7a1d1a6502ab93c293f92f7e9928f0826d731da9d2a537b41",
                "0xfda762589af4cd6812450f1f8b5b199094a81bde881d4f5f645b4dc32f74547c",
                "0x3fb4c0c830f88413b6b9fd5f6f2a237ea36f1399f292e1303387f0499bda712d",
                "0x2d16294f4390501b16eb8f94f5e8396b76d5307e9a38b099b6cbc5c083aa0534",
                "0x2eabb0d475248f1f7ab63542a2c21f056f80d230cd6fb3c76afd3c32984115be",
                "0x6cf17401cda4a192dc9e05bb5f67ac0e4d20834a93a6db85ddcd9a971720f2d8",
                "0x8a137a9c92302ec8b9194fb313fa8074d308092ba3238e43d57b1972fbda9a33",
                "0xd93c82752e5202d4006fb01a4af3b1381d6f6ae8871f392f993f474b2dc71d20",
                "0xfacc476d236171a5fb8177283188d125756254e18865ce4fbd3367c1dec989e4",
                "0xeed1fc29326b1156d0b44d431e4e3a5b21a78e70d156db235662da428421d2a8",
                "0xb3c366576c84eb2e9a6abb9f9676ef6483a2a4945e4b32482e6ab8c2d8630971"
            ],
            "merkleRoot": "0x560729bcf5ab7fc1916f6d67b22d59b2d007577174e1d6c6b77bd078598ef788"
        },
        "24": {
            "amount": "0xf748f6f4d54861",
            "claimed": false,
            "index": "0x1801",
            "merkleIndex": "0x02",
            "proof": [
                "0x655c3609bae4d1db3d905b25d3bdd8ec79b83f5288b5756921d02fa7127714de",
                "0xa9a6df5b336a2e52018a079eaec6c477952d56ecfdfdb0745160037c865a83d8",
                "0xdd91a2295b96128ea32196f6a2228970dc22342f957be76c4297b517236a4daf",
                "0xa29184873648fbf6d5fe67db3fc8036c145f4b5e7861c1c35bfa2606826a5d7d",
                "0xdcd82bc3bea2e7a7a1d1a6502ab93c293f92f7e9928f0826d731da9d2a537b41",
                "0xfda762589af4cd6812450f1f8b5b199094a81bde881d4f5f645b4dc32f74547c",
                "0x3fb4c0c830f88413b6b9fd5f6f2a237ea36f1399f292e1303387f0499bda712d",
                "0x2d16294f4390501b16eb8f94f5e8396b76d5307e9a38b099b6cbc5c083aa0534",
                "0x2eabb0d475248f1f7ab63542a2c21f056f80d230cd6fb3c76afd3c32984115be",
                "0x6cf17401cda4a192dc9e05bb5f67ac0e4d20834a93a6db85ddcd9a971720f2d8",
                "0x8a137a9c92302ec8b9194fb313fa8074d308092ba3238e43d57b1972fbda9a33",
                "0xd93c82752e5202d4006fb01a4af3b1381d6f6ae8871f392f993f474b2dc71d20",
                "0xfacc476d236171a5fb8177283188d125756254e18865ce4fbd3367c1dec989e4",
                "0xeed1fc29326b1156d0b44d431e4e3a5b21a78e70d156db235662da428421d2a8",
                "0xb3c366576c84eb2e9a6abb9f9676ef6483a2a4945e4b32482e6ab8c2d8630971"
            ],
            "merkleRoot": "0x560729bcf5ab7fc1916f6d67b22d59b2d007577174e1d6c6b77bd078598ef788"
        }
    },
    "message":"SUCCESS"
}

Get Reward Pool APY Information

Return the APY information of each pool's USDD rewards.

https://openapi.just.network/mining/apy

Try this endpoint in your browser 🔗

Request

Query Parameters

No Parameters

Response

Body

Parameter	Tpye
code	integer	0 means success
message	string	description information
data	map<string, map<string, string>>	APY information of each pool

Output Parameters

Parameter	Tpye
USDD	integer	amount of rewards

Sample：
{
    "code": 0,
    "data": {
        "TKM7w4qFmkXQLEF2MgrQroBYpd5TY7i1pq": {
            "USDD": "147.52469583"
        },
        "TBGCExAC3iRk5EXAVXEer3bwhTi9EN9rht": {
            "USDD": "0.00141447"
        },
        "TPovsintcLMh9udvXgt45jvb1RYQ86imnL": {
            "USDD": "0.00202115"
        },
        "TZ51C31Zh3qBSRBnTmbcuRX1rqyhzoCe8Q": {
            "USDD": "0.00000000"
        },
        "TMBRbGrkx2d3m8nAZWezFzSyJG6KrEGjj1": {
            "USDD": "0.25934355"
        },
        "TXNg6MoDTDEZKwPzTAdnzdQwfTF4LdU1QW": {
            "USDD": "0.01498227"
        },
        "TYVr8QECrDkf6EAiKehok5FF3ckWV5Ds7k": {
            "USDD": "0.00000023"
        },
        "TYf16sZLR9uXpm63bXsRCNQMQFvqqvXQ2t": {
            "USDD": "9.88180497"
        },
        "TT6Qk1qrBM4MgyskYZx5pjeJjvv3fdL2ih": {
            "USDD": "0.02702548"
        },
        "TMsoCkr2yhukcGnvjhVk8Gj541BCQPEHwm": {
            "USDD": "2.77067603"
        },
        "TRM3faiTDB9D4Vq4mwezUeo5rQLzCDqGSE": {
            "USDD": "0.18871094"
        },
        "TAj5XxJtkrEDvTT7mTsS3uqMcvSCp82cnR": {
            "USDD": "0.00000000"
        },
        "TXFDQpnXxNSEsxo8R3brAaTMWk4Nv6uGji": {
            "USDD": "14.83349289"
        },
        "TQ7JUeFHWAxNru1Yp8YjPP3c7guZSe4e2E": {
            "USDD": "0.00000000"
        },
        "TLBoPBNAfrBPxq3rTQzSKzTXrRjjAqaiJ6": {
            "USDD": "0.01210423"
        }
    },
    "message": "SUCCESS"
}