Blockchain Transaction APIs - Optimize Crypto Operations

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Adds a EIP-7966 compatible JSON-RPC method that sends raw transactions and synchronously returns the complete transaction receipt once mined.

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Access real-time DEX prices, pool analytics, and execute swaps on Aerodrome’s Base deployment through a unified API interface.

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A QuickNode Marketplace add-on providing high-performance DeFi data and swap functionality for Velodrome on Optimism

Protect your transactions and get cashback on transaction fees.

Improve the DeFi experience of your users by protecting them against MEV with guaranteed best inclusion and ordering. Recover MEV and Gas, perfect for Wallets and trading bots.

A useful bundle of RPC methods for interacting with JITO via your existing QuickNode endpoint.

Fetch multichain transaction histories for wallets and contracts with decoded event logs and traces (chain specific). Useful for building wallet activity feeds, crypto tax and accounting tools and onchain verification for DAOs and guilds. Supports 100+ chains.

Instant, easy-to-digest transaction summaries delivered from a single LLM enhanced endpoint.

Estimate Solana fees in real-time with priority fee averages based on recent fee data, all in an ergonomic, easy-to-use API.

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Streamline your Solana data retrieval with our Solana Jobs API — an effortless endpoint for indexing and fetching a complete transaction history for any Solana wallet - handling the primary address plus all associated token accounts (active, closed, and historical) automatically. This "done-for-you" solution eliminates the manual iteration over sub-accounts, de-duplication, and recursive fetching, delivering a fully reconciled, human-readable history in one go. Perfect for wallets, analytics, tax tools, and DeFi apps needing a complete view without the hassle, like aggregating all transfers, swaps, and stakes across a wallet's lifetime.

Empower your blockchain applications with Noves Foresight, a robust API for simulating, describing, and securing unsigned transactions on any EVM network. This add-on enables developers to preview transaction outcomes, generate human-readable explanations, and detect risks before signing - ideal for wallets, dApps, security tools, and compliance platforms. Transform vague approvals into clear insights like "You're about to swap 1 ETH for 2827 USDC and pay 0.001 ETH in fees" or flag dangers such as "Interacting with a malicious contract — proceed with caution."

Elevate your blockchain development with Noves Translate, the premier API for decoding and simplifying on-chain transaction data across 110+ EVM, SVM, TVM, UXTO, MoveVM and Cosmos networks. Transform raw, complex transaction logs into intuitive, standardized, human-readable insights - perfect for building user-friendly wallets, DeFi apps, tax reporting tools, and analytics platforms. Say goodbye to deciphering hexadecimal strings and hello to actionable, English-language descriptions like "Swapped 1 ETH for 2821 USDC" or "Staked 300 HYPE for rewards."

Deliver real-time, accurate gas estimations for future blocks using global mempool data and advanced prediction models.

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Provides advanced transaction API such as trace with decoded internal call, simulation, by Sentio.

A local replica of the EVM environment, facilitating seamless simulation of complex blockchain operations at any specified block.

Get your transaction sent to multiple regions in a single call with these two RPC methods. Using this method will cost 70 API credits per call.

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Real-time eth_sendRawTransaction confirmation via webhook.

Access a wealth of data including methods, stats, charts, addresses, NFTs, tx info, smart contract details and metadata with the all-in-one Blockscout REST API.

One endpoint, all supported chains. With the ChainPrism add-on enabled, you can leverage your current endpoint to seamlessly access all of our supported chains.

GasHawk saves enterprises up to 95% on transaction fees through intelligent submission algorithms.

Flashbots Protect gives users better prices as well as MEV and gas refunds

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Find Labs Simple API for Flow blockchain data