🛠️ New

Introducing AI Agent SDK

APIs for Crypto

Integrate crypto into new or existing apps securely in just a few lines of code—unlock decentralized trading, stablecoins, rewards points, and more in under 5 minutes.

Available for all major programming languages

Google
Microsoft
Amazon
Netflix
YouTube
Instagram
// Step 1 - begin the request
const registrationRequest = await fetch('<API_URL>/v1/passkeys/registration/begin')
const requestData = await registrationRequest.json()

// Step 2: Start WebAuthn registration with the browser
const attResp = await startRegistration({
    optionsJSON: beginResponse.data.options,
})

// Step 3: complete registration
const registrationRequest = await fetch('<API_URL>/v1/passkeys/registration/complete', {
    method: 'POST',
    data: {
        registrationResponse: attResp,
        expectedChallenge: beginResponse.data.options.challenge,
    },
})

Use Cases

Oracle Cloud integration
PostgreSQL database connection
OpenAI GPT-5 API integration

Tool Integration

Seamlessly integrate SIZE APIs and tools into existing workflows.

[2023-12-15 14:23:45] INFO

Swap 100 USDC for BTC on Ethereum Mainnet

[2023-12-15 14:23:47] ACTION

Event change on contract detected

[2023-12-15 14:23:50] DECISION

Analyzing bundler for optimized routing

[2023-12-15 14:23:52] WARNING

Potential anomalous transaction detected in mempool.

[2023-12-15 14:23:55] ERROR

User rejected trasnaction

Monitor transaction activity

Track and analyze your transactions with detailed activity logs.

Build once, run anywhere

Utilize crypto APIs that seamlessly run across different platforms.

Features

Simple API Workflows

Easily create and manage secure cloud wallets with intuitive APIs.

Learn more >

Secure Third Party System

Cloud wallets are secured by immutable on-chain contracts.

Learn more >

Tool Integration

Seamlessly integrate external tools and APIs into your blockchain workflows.

Learn more >

Cross-Language Support

Available in all major programming languages for maximum flexibility.

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Customizable APIs

Utilize straightforward APIs to fit your specific use case and requirements.

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Efficient Execution

Optimize API performance with built-in efficiency and scalability features.

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Testimonials

Alice Johnson

Alice Johnson

OpenMind Labs

The Size API has revolutionized how our AI agents interact with on-chain finance. It's incredibly intuitive and powerful.

Bob Brown

Bob Brown

NeuralForge

We've significantly reduced development time for our AI trading projects using this API. The secure cloud wallet feature is a game-changer.

Charlie Davis

Charlie Davis

CodeHarbor

The cross-language support allowed us to seamlessly integrate crypto features into our existing tech stack.

Diana Evans

Diana Evans

AutomateX

The Size API tool integration feature has streamlined our on-chain workflow automation processes.

Ethan Ford

Ethan Ford

AICore

The customizable cloud wallet policies have allowed us to create highly specialized and secure financial solutions for our clients.

Fiona Grant

Fiona Grant

ScaleAI

The Size API's efficiency features have significantly improved our system's performance and scalability.

George Harris

George Harris

RapidAI

The SDK's intuitive APIs have made it easy for our team to quickly prototype and deploy stablecoin applications

Hannah Irving

Hannah Irving

CollabAI

The Size API's full endpoints have enabled us to build complex, collaborative cryptocurrency solutions with ease.

Ian Johnson

Ian Johnson

FlexAI

The SDK's flexibility in integrating external tools has expanded our AI agents' capabilities tremendously.

Pricing

Simple pricing for everyone.

Choose an affordable plan that's packed with the best features for engaging your audience, creating customer loyalty, and driving sales.

Basic

$0/ year

Perfect for individuals and small projects.

  • Unlimited transactions
  • 0.1% on private transfers
  • 0.1% fee on complex trades
  • 1 cloud wallet
  • Email support

Pro

$290/ year

Ideal for professionals and growing businesses.

  • Unlimited transactions
  • 0.1% on private transfers
  • 0.05% fee on complext trades
  • 10,000 cloud wallets
  • Custom wallet policies and sponsorship
  • Collaboration tools

Enterprise
Most Popular

Custom/ year

Tailored solutions for large organizations.

  • Unlimited transactions
  • Unlimited cloud wallet orchestration
  • Custom fee configurations
  • Custom dapp development
  • On-premises deployment options
  • Advanced analytics and reporting

Community

We're grateful for the amazing open-source community that helps make our project better every day.

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Ready to add crypto to your application?