# Biconomy Bundler API

**Canonical:** https://apis.io/apis/biconomy/biconomy-bundler-api/  
**Provider:** Biconomy — https://apis.io/providers/biconomy/  
**Documentation:** https://github.com/bcnmy/bundler

Biconomy Bundler API is one of 8 APIs that [Biconomy](https://apis.io/providers/biconomy/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Account Abstraction, ERC-4337, Bundler, and UserOps. The published artifact set on APIs.io includes API documentation.

Biconomy's open-source ERC-4337 TypeScript Bundler. Implements eth_sendUserOperation, eth_estimateUserOperationGas, eth_getUserOperationByHash, eth_getUserOperationReceipt, and eth_supportedEntryPoints across both EntryPoint v0.6.0 and v0.7.0. Hosted bundler endpoints are issued per project from the Biconomy Dashboard.

## Machine-readable artifacts (3)

- **SourceCode** — https://github.com/bcnmy/bundler
- **Documentation** — https://docs.biconomy.io/contracts-and-audits/supported-chains
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/biconomy/refs/heads/main/apis.yml

## Other Biconomy APIs (7)

- [Biconomy Sponsorship Paymaster](https://apis.io/apis/biconomy/biconomy-sponsorship-paymaster/)
- [Biconomy Nexus Smart Account](https://apis.io/apis/biconomy/biconomy-nexus-smart-account/)
- [Biconomy Smart Sessions API](https://apis.io/apis/biconomy/biconomy-smart-sessions-api/)
- [Biconomy AbstractJS SDK](https://apis.io/apis/biconomy/biconomy-abstractjs-sdk/)
- [Biconomy instructions API](https://apis.io/apis/biconomy/biconomy-instructions-api/)
- [Biconomy mee API](https://apis.io/apis/biconomy/biconomy-mee-api/)
- [Biconomy root API](https://apis.io/apis/biconomy/biconomy-root-api/)

## Tags

Account Abstraction, ERC-4337, Bundler, UserOps

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/biconomy/biconomy-bundler-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/biconomy/.