⚡Blockchains
We support all major public blockchains
expand.network provides connectivity to various EVM and Non-EVM based chains for both, query(Read) and transaction(Write). So now, the developer does not need to worry about how different blockchains work. The developer will be required to know only the chainID to perform multiple operations on different chains.
For example, if a developer wants to send two transactions, one on the Ethereum mainnet and another on Solana, then they just need to call the sendtransaction API with different chain IDs in the request body.
Following are the common APIs implemented for all the various chains:-
getbalance
Read
Get the balance or number of the given token in the requested public address.
getblock
Read
Get details of a block.
getgasprice
Read
Get the current gas price from the network.
getstorage
Read
Get data stored in the given slot.
gettransaction
Read
Get details of a transaction.
Read
Get the RPC of required chain.
getgasfees
Read
Retrieves gas fee spent in a particular range.
getusertransactions
Read
Get the historical transaction details for a specific user address. Available on Ethereum, Binance Smart Chain, Avalanche - P/C/X, Polygon, Fantom, Stellar and TON.
gethistoricalrewards
Read
Get the historical transaction details focusing on staking rewards for a specific user address. Available on Avax-P.
getevents
Read
Get a filtered list of events emitted by a given ledger range, within a maximum 24 hours of recent ledgers. Currently available on Stellar.
getlatestledger
Read
Get details for the current latest known ledger of the node. Currently available on Stellar.
portfolio
Read
Get detailed information about the verified assets or tokens currently associated with a user's wallet address. Available on Ethereum as well as Arbitrum, Avalanche, Base, Binance Smart Chain, Cronos, Fantom, Near, Optimism, Polygon, Stellar and Solana.
getflashbotblocks
Read
Get details of the flashbot blocks.
getflashbottransactions
Read
Get details of the flashbot transactions.
getflashbotbundle
Read
Get details of the specified flashbot bundle.
gettokenmarketdata
Read
Get the market data for a given asset on the Ethereum chain.
gettokenmapping
Read
Get the top 40 popular tokens on the EVM chains
getapprovaldata
Read
Retrieves approval-related information for a specified address, including token details, amount approved, spender, risk factor, value at risk, and timestamp. Currently supported for Ethereum chain.
Write
This endpoint lets users collect fees on transactions via the Expand API or plug-in.
estimategas
Write
Generates and returns an estimate of how much gas would be necessary to complete a transaction.
settrustline
Write
Implement a trustline between issuer and distributor. Currently available on Stellar.
rwa/issue
Write
Executes a payment operation to create (or mint) an asset on the Stellar network.
rwa/freeze
Write
Executes a transaction to revoke an existing trustline’s authorization, thereby freezing the asset held by an account on the Stellar network.
rwa/burn
Write
Executes a transaction to burn or delete an asset on the Stellar network.
rwa/transfer
Write
Trigger a payment operation to send an amount in a specific asset (XLM or non-XLM) to a destination account on the Stellar network.
sendtransaction
Write
Sign and send transactions on the chain.
createaccount
write
Initiates a transaction to fund a newly created account using the public key as the account ID.
simulatetransaction
write
Submit a trial contract invocation to simulate how it would be executed by the network. This endpoint calculates the effective transaction data, required authorizations, and minimal resource fee. It provides a way to test and analyze the potential outcomes of a transaction without actually submitting it to the Stellar network.
genericsmartcontractmethod
Write
Calls read functions of verified smart contracts. Available on ethereum.
decodetransaction
Write
Get the decoded transaction for the provided raw transaction. Available on ethereum, binance, avalanche, polygon, cronos, arbitrum, fantom, optimism, solana, stellar and near.
Read
Retrieves approval-related information for a specified address, including token details, amount approved, spender, risk factor, value at risk, and timestamp. This is currently available for EVM chains
Every chain requires a different set of parameters to perform the common operations. Please refer to the sub-sections for details.
To perform sendtransaction() successfully, the user needs to sign the transaction first.
For more details, click here.
If the user wants to pass the RPC manually, the user can either use their own RPC or use our provided RPC, by using /getpublicrpc endpoint.
/getpublicrpc
Get the RPC of required chain.
GET
https://api.expand.network/chain/getpublicrpc
Query Parameters
chainId*
String
https://api.expand.network/chain/getpublicrpc?chainId=1000
{
"status": 200,
"msg": "success",
"data": {
"rpc": "https://api.trongrid.io"
}
}
/getapprovaldata
Retrieves approval-related information for a specified address, including token details, amount approved, spender, risk factor, value at risk, and timestamp. This is currently available for EVM chains(Except zkSync Era)
GET
https://historicallp.api.expand.network/chain/getapprovaldata
Query Parameter
address*
String
The public address of the user.
chainId
String
chainSymbol
String
rpc
String
Remote procedural call URL.
pageToken
String
The page cursor present at the top to fetch the next page data.
https://historicallp.api.expand.network/chain/getapprovaldata?chainId=56&address=0x65A8F07Bd9A8598E1b5B6C0a88F4779DBC077675
{
"status": 200,
"msg": "success",
"data": {
"nextPageToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJwYWdlIjoxLCJjb250cmFjdEFkZHJlc3MiOiIweGZhZThlNjRjZGRlNzM1NTBlN2Q3ZjA0Njk1NTdhMzNhNDE3YjI4NjgiLCJjb250cmFjdFR5cGUiOiJlcmMyMCIsImFwcHJvdmVyQWRkcmVzcyI6IjB4NjVhOGYwN2JkOWE4NTk4ZTFiNWI2YzBhODhmNDc3OWRiYzA3NzY3NSIsInNwZW5kZXJBZGRyZXNzIjoiMHgxMTExMTExMjU0ZmI2YzQ0YmFjMGJlZDI4NTRlNzZmOTA2NDMwOTdkIiwiaWF0IjoxNzMzMzkzODE2fQ.y7FANxpXgtdgk83CIqPHHk2jutj1NZrueTu4XR39jnk",
"approvals": [
{
"tokenAddress": "0xffeecbf8d7267757c2dc3d13d730e97e15bfdf7f",
"tokenSymbol": "BORING",
"spender": "0xe7b388d44fa9069385e174efe6f10616b149fe86",
"allowance": "115792089237316195423570985008687907853269984665640564036939768402646829639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1668720058"
},
{
"tokenAddress": "0xffeecbf8d7267757c2dc3d13d730e97e15bfdf7f",
"tokenSymbol": "BORING",
"spender": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
"allowance": "115792089237316195423570985008687907853269984665640563892563776604972513032835",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1688315609"
},
{
"tokenAddress": "0xffeecbf8d7267757c2dc3d13d730e97e15bfdf7f",
"tokenSymbol": "BORING",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640563979724133720178046426639",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1704261178"
},
{
"tokenAddress": "0xffeecbf8d7267757c2dc3d13d730e97e15bfdf7f",
"tokenSymbol": "BORING",
"spender": "0x1111111254fb6c44bac0bed2854e76f90643097d",
"allowance": "115792089237316195423570985008687907853269984665640563879721856107913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1649694300"
},
{
"tokenAddress": "0xffeecbf8d7267757c2dc3d13d730e97e15bfdf7f",
"tokenSymbol": "BORING",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640563447809936703527957376182",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1728966764"
},
{
"tokenAddress": "0xffeb8287de7dc756067e171e9919c730f0636680",
"tokenSymbol": "LAVA",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1730006073"
},
{
"tokenAddress": "0xffeb8287de7dc756067e171e9919c730f0636680",
"tokenSymbol": "LAVA",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1732528906"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
"allowance": "115792089237316195423570985008687907853269984665640561790168545683103269739709",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1710865847"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x6352a56caadc4f1e25cd6c75970fa768a3304e64",
"allowance": "115792089237316195423570985008687907853269984665640563533217452007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1688661067"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x6131b5fae19ea4f9d964eac0408e4408b66337b5",
"allowance": "115792089237316195423570985008687907853269984665640563530483818469617955326242",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1709938847"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640554282926385749167167311770",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1726827052"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x1111111254fb6c44bac0bed2854e76f90643097d",
"allowance": "115792089237316195423570985008687907853269984665640563038265690880827039639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1643151681"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640546375573747739243615886867",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1726935057"
},
{
"tokenAddress": "0xffba7529ac181c2ee1844548e6d7061c9a597df4",
"tokenSymbol": "CAPS",
"spender": "0x111111125421ca6dc452d289314280a0f8842a65",
"allowance": "115792089237316195423570985008687907853269984665640562330663181186017639770448",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1728136480"
},
{
"tokenAddress": "0xff2f5e8e796b6739ac9d73b8fe916568abb871b5",
"tokenSymbol": "OXAI",
"spender": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "807000000000000000000",
"riskFactor": "LOW RISK",
"lastUpdated": "1676764296"
},
{
"tokenAddress": "0xff2f5e8e796b6739ac9d73b8fe916568abb871b5",
"tokenSymbol": "OXAI",
"spender": "0x58892974758a4013377a45fad698d2ff1f08d98e",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "807000000000000000000",
"riskFactor": "LOW RISK",
"lastUpdated": "1676742598"
},
{
"tokenAddress": "0xff2f5e8e796b6739ac9d73b8fe916568abb871b5",
"tokenSymbol": "OXAI",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "807000000000000000000",
"riskFactor": "LOW RISK",
"lastUpdated": "1676742005"
},
{
"tokenAddress": "0xff2f5e8e796b6739ac9d73b8fe916568abb871b5",
"tokenSymbol": "OXAI",
"spender": "0x10ed43c718714eb63d5aa57b78b54704e256024e",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "807000000000000000000",
"riskFactor": "LOW RISK",
"lastUpdated": "1677323691"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
"allowance": "115792089237316195423570985008687907853269984665640564018755141282105772081151",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1667599217"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0xbc3b4e7517c06019f30bf2f707ed2770b85f9928",
"allowance": "88582937105451500231690829",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1643496563"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0xabd380327fe66724ffda91a87c772fb8d00be488",
"allowance": "115792089237316195423570985008687907853269984665640563686732493885041162846207",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1667590483"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1666545316"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0x1111111254fb6c44bac0bed2854e76f90643097d",
"allowance": "115792089237316195423570985008687907853269984665640563818699602112242849105734",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1643236661"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640563950088107850441750668765",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1668723837"
},
{
"tokenAddress": "0xfeea0bdd3d07eb6fe305938878c0cadbfa169042",
"tokenSymbol": "8PAY",
"spender": "0x10ed43c718714eb63d5aa57b78b54704e256024e",
"allowance": "115792089237316195423570985008687907853269984665640563960590978914048759408961",
"valueAtRisk": "66114939279596",
"riskFactor": "LOW RISK",
"lastUpdated": "1667593810"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0xb6f6d86a8f9879a9c87f643768d9efc38c1da6e7",
"allowance": "115792089237316195423570985008687907853269984665640559108239333620033129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1733360475"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0x89b8aa89fdd0507a99d334cbe3c808fafc7d850e",
"allowance": "115792089237316195423570985008687907853269984665640564014730119975274334607750",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1731462369"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0x6131b5fae19ea4f9d964eac0408e4408b66337b5",
"allowance": "115792089237316195423570985008687907853269984665640563955016596244110458115131",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1732136471"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640563831028951525553927377069",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1733331837"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640559692407482619727486063955",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1733376768"
},
{
"tokenAddress": "0xfebfa339e44c28e2aa9e62ea1027c9cb4e378605",
"tokenSymbol": "NPC",
"spender": "0x111111125421ca6dc452d289314280a0f8842a65",
"allowance": "115792089237316195423570985008687907853269984665640563940044437479669111988344",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1732047349"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0xdef1c0ded9bec7f1a1670819833240f027b25eff",
"allowance": "115792089237316195423570985008687907853269984665390694744878574445754311797562",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1688479376"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0xc3711bdbe7e3063bf6c22e7fed42f782ac82baee",
"allowance": "115792089237316195423570985008687907853269984662680603427879681348390663645612",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1731384555"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0x89b8aa89fdd0507a99d334cbe3c808fafc7d850e",
"allowance": "115792089237316195423570985008687907853269984665509450503980459156749934889463",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1713000340"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0x6131b5fae19ea4f9d964eac0408e4408b66337b5",
"allowance": "115792089237316195423570985008687907853269984665528698069767620919182718847703",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1713818023"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984664984253402875469701431494604645",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1725232254"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984663430082943664701452924119016950",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1702137193"
},
{
"tokenAddress": "0xfebe8c1ed424dbf688551d4e2267e7a53698f0aa",
"tokenSymbol": "VINU",
"spender": "0x10ed43c718714eb63d5aa57b78b54704e256024e",
"allowance": "115792089237316195423570985008687907853269984665358774015781171453706388855794",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1680018141"
},
{
"tokenAddress": "0xfea292e5ea4510881bdb840e3cec63abd43f936f",
"tokenSymbol": "COPI",
"spender": "0x6352a56caadc4f1e25cd6c75970fa768a3304e64",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "61232287749",
"riskFactor": "LOW RISK",
"lastUpdated": "1701504058"
},
{
"tokenAddress": "0xfea292e5ea4510881bdb840e3cec63abd43f936f",
"tokenSymbol": "COPI",
"spender": "0x6131b5fae19ea4f9d964eac0408e4408b66337b5",
"allowance": "115792089237316195423570985008687907853269984665640563841025160163090908818076",
"valueAtRisk": "61232287749",
"riskFactor": "LOW RISK",
"lastUpdated": "1729707303"
},
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"spender": "0x6131b5fae19ea4f9d964eac0408e4408b66337b5",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1713330933"
},
{
"tokenAddress": "0xfafd4cb703b25cb22f43d017e7e0d75febc26743",
"tokenSymbol": "WEYU",
"spender": "0x31c2f6fcff4f8759b3bd5bf0e1084a055615c768",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1713331572"
},
{
"tokenAddress": "0xfafd4cb703b25cb22f43d017e7e0d75febc26743",
"tokenSymbol": "WEYU",
"spender": "0x216b4b4ba9f3e719726886d34a177484278bfcae",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1714837969"
},
{
"tokenAddress": "0xfafd4cb703b25cb22f43d017e7e0d75febc26743",
"tokenSymbol": "WEYU",
"spender": "0x13f4ea83d0bd40e75c8222255bc855a974568dd4",
"allowance": "115792089237316195423570985008687907853269984665640562265098743125446980535166",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1714677116"
},
{
"tokenAddress": "0xfafd4cb703b25cb22f43d017e7e0d75febc26743",
"tokenSymbol": "WEYU",
"spender": "0x1111111254eeb25477b68fb85ed929f73a960582",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1714837876"
},
{
"tokenAddress": "0xfafd4cb703b25cb22f43d017e7e0d75febc26743",
"tokenSymbol": "WEYU",
"spender": "0x10ed43c718714eb63d5aa57b78b54704e256024e",
"allowance": "115792089237316195423570985008687907853269984665640563476548442725166113346662",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1707609250"
},
{
"tokenAddress": "0xfae8e64cdde73550e7d7f0469557a33a417b2868",
"tokenSymbol": "Croge",
"spender": "0x665b70283be3e014e9d2482545040df77b17d9fb",
"allowance": "115792089237316195423570985008687907853000000000",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1711500953"
},
{
"tokenAddress": "0xfae8e64cdde73550e7d7f0469557a33a417b2868",
"tokenSymbol": "Croge",
"spender": "0x1111111254fb6c44bac0bed2854e76f90643097d",
"allowance": "115792089237316195423570985008687907853269984665640564039457584007913129639935",
"valueAtRisk": "0",
"riskFactor": "LOW RISK",
"lastUpdated": "1665522820"
}
]
}
}
/estimategas
Generates and returns an estimate of how much gas would be necessary to complete a transaction. This is currently available for EVM chains
POST
https://api.expand.network/chain/estimategas
Request Body
chainId
String
chainSymbol
String
data*
String
Encoded function call data.
from*
String
Address of the sender of the token.
to*
String
Address of the recipient of the token.
value
String
Amount being sent with the transaction.
rpc
String
Remote procedural call URL.
{
"chainId": "1",
"data": "0xb6f9de9500000000000000000000000000000000000000000000000000027504c2d159000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000b999e0cb5f5e075b11239093e82703dbf0e561d60000000000000000000000000000000000000000000000000000018ef59ee21e0000000000000000000000000000000000000000000000000000000000000002000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2000000000000000000000000c3705517b4002ecd90185e07a9fcdfe8e93e9248",
"from": "0x56Eddb7aa87536c09CCc2793473599fD21A8b17F",
"to": "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
"value": "160000000000000000"
}
{
"status": 200,
"msg": "success",
"data": {
"estimatedGas": "153222"
}
}
/createfeetransaction
This endpoint lets users collect fees on transactions via the Expand API or plug-in. By default, it deducts 5 basis points from the transaction value, but the fee can be customized.
POST
https://api.expand.network/chain/createfeetransaction
Request Body
rpc
string
Remote procedural call URL.
chainId*
String
chainSymbol
String
from*
String
Address of the sender
to*
String
Address of the recipient
gas*
String
Maximum gas limit provided by the sender, for the transaction.
value*
String
Amount being sent with the transaction.
data
String
Encoded function call data.
gasPrice
String
The price per unit of gas
{
"chainId": "1",
"from": "0xDdE53141420C90550e87dF0349D79B3a6161f6F6",
"to": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"value": "0",
"gas": "173376",
"data": "0x095ea7b3000000000000000000000000dde53141420c90550e87df0349d79b3a6161f6f600000000000000000000000000000000000000000000000000038d7ea4c68000"
}
{
"status": 200,
"msg": "success",
"data": {
"chainId": "1",
"from": "0xDdE53141420C90550e87dF0349D79B3a6161f6F6",
"to": "0x558D7be6092Ca91DA26521Ac25b982D883218E2d",
"value": "15961584451717",
"gas": "30000",
"nonce": 87
}
}
/gettokenaddress
Return the token address
GET
https://historicallp.api.expand.network/chain/getapprovaldata
Query Parameter
tokenSymbol*
String
The public address of the user.
chainId
String
chainSymbol
String
https://api.expand.network/chain/gettokenaddress?tokenSymbol=savax&chainId=43114
{
"status": 200,
"msg": "success",
"data": {
"tokenAddress": "0x2b2c81e08f1af8835a78bb2a90ae924ace0ea4be"
}
}
SendTransaction() process
Following is a sequence diagram for sendTransaction() process in chains:-
Last updated