Need help with your APIs? I offer API discovery, governance & evangelism services. Explore services →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Jito Labs Transactions API

Direct sendTransaction proxy to validator leaders.

Jito Labs Transactions API is one of 11 APIs that Jito Labs publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 5 JSON Schema definitions.

Tagged areas include Transactions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and 5 JSON Schemas.

This API exposes 1 operation across 1 path, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version 1.0.

Requests are made against 12 base URLs: https://mainnet.block-engine.jito.wtf, https://amsterdam.mainnet.block-engine.jito.wtf, https://dublin.mainnet.block-engine.jito.wtf, https://frankfurt.mainnet.block-engine.jito.wtf, https://london.mainnet.block-engine.jito.wtf, https://ny.mainnet.block-engine.jito.wtf, https://slc.mainnet.block-engine.jito.wtf, https://singapore.mainnet.block-engine.jito.wtf, https://tokyo.mainnet.block-engine.jito.wtf, https://testnet.block-engine.jito.wtf, https://dallas.testnet.block-engine.jito.wtf, https://ny.testnet.block-engine.jito.wtf.

1 operations 1 paths 3 schemas 1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
1.0
Base URL
https://mainnet.block-engine.jito.wtf/api/v1/bundles
Contact
License
Resource Areas
1

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 POST. Each is listed below with its method, path, parameters, and response codes.

Transactions 1

Direct sendTransaction proxy to validator leaders.

POST
/api/v1/transactions
Send Transaction Through Block Engine
transactionsRpc 1 param body → 200429

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are SendTransactionResponse (3 properties), JsonRpcEnvelope (3 properties). Each schema is shown below with its type and property counts.

JsonRpcEnvelope
object
3 properties 3 required
SendTransactionResponse
object
3 properties
SendTransactionRequest

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

jito-transactions-api-openapi.yml Raw ↑

Other APIs Jito Labs publishes across the network.

Jito Streaming Surfaces
Jito Searcher gRPC Service
Jito Block Engine Validator gRPC
Jito Relayer gRPC
JitoSOL Stake Pool
Jito Restaking And Vaults
Jito Foundation Governance
Jito-Solana Validator Client
Jito Labs Bundles API
Jito Labs Tips API