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Covalent provides a unified API to bring transparency and visibility across all blockchains.
Our vision is to empower the pioneers of tomorrow by providing the richest and most robust data infrastructure for the entire blockchain ecosystem.
Our vision is to empower the pioneers of tomorrow by providing the richest and most robust data infrastructure for the entire blockchain ecosystem.
Billion rich transactions
price feeds for fiat and crypto pairs
refresh rate
We're behind the scenes at the top crypto projects
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Developers get simple APIs that allow for quick integration in new or existing projects.
>>> curl https://api.covalenthq.com/v1//address/{ensname.eth}/balances/
>>> curl https://api.covalenthq.com/v1/ /address/{ensname.eth}/balances/
{ "data":
{
"balances": [
{
"contract_address": "0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
"balance": "2349416542132499968",
"logo_url": "https://logos.covalenthq.com/tokens/0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee.png",
"quote_rate_24h": "154.26019001704213",
"quote_rate": "159.26154203702",
"quote": "374.17170138730535",
"quote_pct_change_24h": 1.032421534158783,
"contract_name": null,
"contract_ticker_symbol": "ETH",
"contract_decimals": 18
},
{
"contract_address": "0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359",
"balance": "200405005017460015104",
"logo_url": "https://logos.covalenthq.com/tokens/0x89d24a6b4ccb1b6faa2625fe562bdd9a23260359.png",
"quote_rate_24h": "0.9892345464742915",
"quote_rate": "0.990828328985026",
"quote": "198.5669562416857",
"quote_pct_change_24h": 1.001611127023834,
"contract_name": "DAI",
"contract_ticker_symbol": "DAI",
"contract_decimals": 18
},
{...},
],
"address": "0x7284a8451d9a0e7dc62b3a71c0593ea2ec5c5638"
},
"error": false,
"error_message": null,
"error_code": null
}
>>> curl https://api.covalenthq.com/v1/1/tx/0x5c0b...f0fc/logs/
>>> curl https://api.covalenthq.com
/v1/1/tx/0x5c0b...f0fc/logs/
{
"data": {
"items": [
{
"log_offset": 65,
"raw_log_topics": [
"0x440f19ba00000000000000000000000000000000000000000000000000000000",
"0x0000000000000000000000006bb863bd13767085321906e0df76cc8540c1a50f",
"0x0000000000000000000000000000000000000000000000000000000000003245",
"0x0000000000000000000000000000000000000000000000d8d726b7177a800000"
],
"raw_log_data": "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000044440f19ba00000000000000000000000000000000000000000000000000000000000032450000000000000000000000000000000000000000000000d8d726b7177a800000",
"sender_address": "0x448a5065aebb8e423f0896e6c5d525c040f59af3",
"to_address": "0x448a5065aebb8e423f0896e6c5d525c040f59af3",
"sender_address_label": "Maker: Contract 1",
"to_address_label": "Maker: Contract 1",
"decoded": {
"name": "LogNote",
"data": [
{
"name": "sig",
"type": "bytes4",
"value": "draw(bytes32,uint256)"
},
{
"name": "guy",
"type": "address",
"value": "0x6bb863bd13767085321906e0df76cc8540c1a50f"
},
{
"name": "foo",
"type": "bytes32",
"value": "0x0000000000000000000000000000000000000000000000000000000000003245"
},
{
"name": "bar",
"type": "bytes32",
"value": "0x0000000000000000000000000000000000000000000000d8d726b7177a800000"
},
{
"name": "wad",
"type": "uint256",
"value": null
},
{
"name": "fax",
"type": "bytes",
"value": null
}
]
}
},
]
}
}
>>> curl https://api.covalenthq.com/v1/1/uniswap/lp/{ensname.eth}/
>>> curl https://api.covalenthq.com/
v1/1/uniswap/lp/{ensname.eth}/
{
"data": {
"items": [
{
"exchange": "0x2c4bd064b998838076fa341a83d007fc2fa50957",
"token": "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2",
"logo_url": "https://logos.covalenthq.com/tokens/0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2.png",
"contract_address": "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2",
"contract_name": "Maker Token",
"contract_ticker_symbol": "MKR",
"contract_decimals": 18,
"series": [
{
"block_signed_at": "2018-11-02T10:18:27+00:00",
"eth_amount": "30000000000000000000",
"eth_amount_quote": 5973.678210621939,
"eth_quote_rate": 199.1226070207313,
"kind": "AddLiquidity",
"liquidity_balance": "30000000000000000000",
"liquidity_supply": "30000000000000000000",
"pool_share_percentage": 1,
"pool_total_eth_reserve": "30000000000000000000",
"pool_total_token_reserve": "9500000000000000000",
"provider": "0xf369af914dbed0ad7afdddebc631ee0fda1b4891",
"token_amount": "9500000000000000000"
},
]
},
{...}
],
"updated_at": "2019-06-17T15:37:10+00:00"
},
"error": false,
"error_message": null,
"error_code": null
}
>>> curl https://api.covalenthq.com/
v1/functions/kyber-knc-dai/?aggregate[Avg]&group_by
[block_signed_at__day]&starting-block=0
>>> curl https://api.covalenthq.com/v1/functions/kyber-knc-dai/?aggregate[Avg]&group_by[block_signed_at__day]&starting-block=0
{
"data": [
{
"block_signed_at__day": "2019-01-04T00:00:00+00:00",
"avg_value_0": "0.15462477224999379506"
},
{
"block_signed_at__day": "2019-01-05T00:00:00+00:00",
"avg_value_0": "0.15722491091548281189"
},
{
"block_signed_at__day": "2019-01-06T00:00:00+00:00",
"avg_value_0": "0.16526676077323252884"
},
{
"block_signed_at__day": "2019-01-07T00:00:00+00:00",
"avg_value_0": "0.16614217464181210202"
},
...
]
}
Covalent’s enterprise-grade indexing and data querying technology supports diverse use-cases.
Every single wallet application on Ethereum aggregates data across various DeFi protocols using Covalent.
Every single DeFi transaction is a taxable event. The biggest funds in the crypto-space use Covalent to calculate liabilities.
Crypto networks have rich data structures currently inaccessible without a tool like Covalent. The data is used to make better decisions.
A self-serve SDK that allows developers to build new APIs for all yet to be discovered use-cases.
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Covalent's full suite APIs enable teams to develop unique data analytical products for their customers across all platforms and devices.
Our infrastructure is an industry-leading high-throughput and low-latency database designed to deliver scalability and decentralization.
Our data goes beyond network-level data with off-chain data. One API call to get token balances, NAV, ROI, VaR, etc. for all your blockchain-based assets.
Our data is normalized, cleaned and unified across various blockchain protocols. Balances, currencies and ratios are consistently formatted and localized.
We can answer questions about Covalent, help you integrate best-practices and share stories about the inspiring products our customers have built for the world.
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Copyright © 2020 Covalent. All rights reserved.
