Streamline blockchain application flows with business-ready & comprehensive data

Get user’s DeFi exposures

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Build a complete Portfolio overview, including DeFi holdings and their $ NAV – the most extensive NAV DeFi protocols coverage 1,500+, across 25+ chains: not limited to EVM chains, supporting also major Cosmos chains and others

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Provide a dedicated DeFi dashboard with both active & past DeFi exposures

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Down to detailed P&L analytics (Yield, Rewards, Tx Fees, Impermanent Loss, Price Fluctuation) with accurate USD valuation – real-time or snapshot to a past point-in-time

Get detailed analytics per DeFi position

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Provide real-time refresh rate for dedicated DeFi position analysis views

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Retrieve daily P&L breakdown (Rewards, Yield, Tx Fees, Price Fluctuation) for accrual accounting or in-depth position monitoring 

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Retrieve all related transactions for DeFi position reconciliation or in-depth position analysis

Get user’s Transaction history

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Build a complete overview of the wallet’s movements, including DeFi transactions

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Speed up reconciliation by using MERLIN’s DeFi transactions pre-classification info

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With or without associated Yield and P&L details for each transaction

Get user’s balances 

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Track the user’s wallet balances and overall holdings across 25+ chains (not limited to EVM chains only): ,

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Overall portfolio $ holdings per chain, including DeFi exposures

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Wallet balances per chain: breakdown between tokens, native tokens and NFTs

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Wallet’s overall token balances, with dedicated endpoints for chain native tokens and NFTs

Get API management info

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Optimize your consumption costs by using the endpoints with chain and/or protocol filtering: MERLIN’s supported chains & protocols list is available

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Monitor and control your consumption costs by checking for free your API account unit balance and daily usage

Pricing model
pay per use

Management via a dedicated online API Client Panel  

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Purchase API units: 1 unit = $0.0004

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Unlimited validity, no minimum purchase

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Each API endpoint has a #units price

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Consume #units with each endpoint call

How to use MERLIN API?

1. Free Trial Access

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Sign up to MERLIN API Panel 

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Get 4000 free units

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Your API key is ready to use!

2. First Tests

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Check the online API docs and pick your endpoint(s)

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Pick you test tool (eg. Postman, cURL) and make the first call(s)

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Check the response object (eg. Notepad++, JSONGrid online viewer)

3. Questions

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Need further information? Extra trial units?

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Issues to use the API?

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Want to know us better? We certainly want to know you!

4. Happy with Merlin API?

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Buy units online directly within your MERLIN API Client Panel

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We’d love to know you better!

Why MERLIN?

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THE one place to get both P&L performance reporting for the major DeFi protocols and NAV for 1,500+ others, across 25+ chains

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The most in-depth profitability analytics: Yield, Rewards, Gas Fees, Impermanent Loss, …

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The best DeFi protocol coverage for active investments NAV

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Focus on your business value proposition and leave the tedious on-chain data fetching & assessment to MERLIN

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Leverage MERLIN’s DeFi market data to optimize your business offer

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Pay per use a powerful & straightforward API, with a freemium web APP 

Start your Free Trial