Swap API
Integrate token swaps across 13+ networks.
Your complete token swap platform
Swap API supports 13 chains.
1inch Business is built for faster workflows
Integrate in minutes, debug without leaving your IDE. Docs, SDKs, and auth optimized for agentic development.
API Key or OAuth 2.1
Power your DeFi apps with enterprise-grade APIs
Contact salesQuestions? Answers.
What is a blockchain API?
A blockchain API is an interface that allows developers to interact with a blockchain network, enabling them to read data from the chain, submit transactions, or integrate blockchain functions into applications.
What are common use cases for blockchain APIs?
Typical use cases include building wallets, tracking transactions, accessing token balances, supporting DeFi applications, NFT marketplaces, payment solutions, and analytics dashboards.
Is KYC required to access developer APIs?
At 1inch, we're constantly working to improve platform security and build a compliant reputation within the overarching Web3 ecosystem. In line with this commitment, when creating a brand new 1inch Business account, all users must pass a standard Know Your Customer (KYC) verification process. This is a prerequisite for accessing and building with all 1inch APIs.
What onboarding and support do enterprise customers receive?
Every enterprise customer is assigned a dedicated relationship manager who guides them through the entire enterprise lifecycle. The onboarding and support process is fully tailored to a customer’s specific needs, ensuring personalized assistance and long-term partnership.
How do I get an API key ?
Sign up or log in to 1inch Business, complete a KYC/KYB procedure, create a project, and your API key will be available under the application details page in the project details.
Does 1inch have a free tier or trial for APIs?
Yes, every new account on the 1inch Business plan is automatically placed into the Dev plan, which is free of charge and offers 100,000 monthly API calls with a limit of 60 requests per minute.
Do you provide SDKs or example apps for a quick start?
Yes, 1inch offers SDKs, an interactive Swagger, and example guides to help developers integrate smoothly. For more details, explore the 1inch Business API docs.
How are overage charges handled if I exceed plan limits?
1inch does not apply automatic overage charges. Instead, you can top up your plan at any time if you need to increase your consumption within the current month.
What is 1inch’s role in Real-World Assets (RWA) integration?
1inch acts as a non-custodial aggregation and execution layer, enabling access to RWA tokens via the Swap API. 1inch does not issue, custody, or manage the underlying real-world assets.
Does 1inch custody or control RWA?
No. 1inch never takes custody of RWAs or user funds. All swaps are executed non-custodially on-chain.
Is 1inch the issuer or guarantor of RWA?
No. RWAs are issued, managed, and legally structured by third-party issuers. 1inch provides routing, pricing, and execution only.