This GRPC contract enables you to obtain cryptocurrency data from various blockchain
networks (etherium
, polygon
, near
, binance smart chain
, tron
) for use in your web3 applications.
Specifically, you can retrieve balance information and transaction history for ERC20 tokens on the Polygon blockchain.
You can access the latest version of the contract here:
wget https://raw.githubusercontent.com/cryptomation/grpc-contract/main/universal-api.proto
copy
To use the contract, follow these steps:
protoc --go_out=plugins=grpc:. universal-api.proto
getBalance
- retrieves the balance of an account in the network.getTransactions
- retrieves the transaction history (include erc20) of an account in the network.ā Possible values for network param: near
, near-testnet
, near-mainnet
, polygon
, polygon
, tron
ā Note that you must have grpcurl to run this example.
grpcurl -plaintext -d '{"api_key": "insert_you_api_key", "network":"Polygon", "address": "0xdec0de7e6ed3ee7bb3a2c0baae7827d101d1ec20"}' grpc.cryptomation.com com.cryptomation.universal.api.v1.grpc.UniversalCryptoApi/getTransactions
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ā Possible values for network param: near
, near-testnet
, near-mainnet
, polygon
, polygon
, tron
ā Note that you must have grpcurl to run this example.
grpcurl -plaintext -d '{"api_key": "insert_you_api_key", "network":"polygon", "address": "0xdec0de7e6ed3ee7bb3a2c0baae7827d101d1ec20"}' grpc.cryptomation.com com.cryptomation.universal.api.v1.grpc.UniversalCryptoApi/getBalance
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Much more info about our API method you could found on our docs!
Our api help your project gain easy access to a sea of crypto data.
If you want to try our Universal API, please enter your email or login from Google Gmail: