How it works

Provision & Fund Your Key
Set up a secure API key and fund your escrow wallet on your target network (ETH, BASE, AVALANCHE, and more).

Configure Your Transaction
Define your contract address and function, then generate a private URL endpoint—no manual signing needed.

Trigger API Calls
Use your favorite HTTP library (cURL, Python, Node.js, etc.) to call the endpoint and execute your transaction.

Monitor & Confirm
One Shot handles transaction tracking—listen for webhook confirmations when your transaction is finalized on-chain.





How it works

Provision & Fund Your Key
Create an API key then fund your escrow wallet on your target network (ETH, BASE, AVALANCHE, and more)
Configure Your Transaction
Enter a contract address and function call to generate a private API endpoint—transactions are signed, submitted and monitored automatically.
Call the API
Use your favorite HTTP library (cURL, Requests, Axios, etc.) to call your endpoint and execute the transaction; no client-side keys or signing.
Monitor and Confirm
1Shot handles the transaction lifecycle—optional webhooks notify your application when transactions are confirmed.
























Use Cases
Onchain Agentic Tools and Semantic Search
1Shot API lets agents semantically search for smart contracts. Contract functions are delivered as tools tied to hot wallets for easy, secure execution.


Sponsor User Transactions
Leverage 1Shot API's EIP-7702 support to sponsor transactions for your application user base.


Instant Messaging
Integrations
Integrate on-chain actions into your Telegram and Discord bots in minutes.


x402 API Payments
Integrate permissionless API payments into your product with confidence using the x402 standard.


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