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Sei Tx API

Transactions broadcast APIs

Sei Tx API is one of 10 APIs that Sei publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Tx. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and rate-limit docs.

This API exposes 5 operations across 5 paths, and defines 6 schemas. It is described by OpenAPI 2.0.

Requests are made against the base URL https://evm-rpc.sei-apis.com.

5 operations 5 paths 6 schemas 5 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 2.0
Base URL
https://evm-rpc.sei-apis.com
Resource Areas
1

Paths & Operations 5

Across 5 paths, the API surfaces 5 operations — 5 GET. Each is listed below with its method, path, parameters, and response codes.

Tx 5

Transactions broadcast APIs

GET
/broadcast_tx_syncdeprecated
Returns with the response from CheckTx. Does not wait for DeliverTx result.
broadcast_tx_sync 1 param → 200500
GET
/broadcast_tx
Returns with the response from CheckTx. Does not wait for DeliverTx result.
broadcast_tx 1 param → 200500
GET
/broadcast_tx_asyncdeprecated
Returns right away, with no response. Does not wait for CheckTx nor DeliverTx results.
broadcast_tx_async 1 param → 200500
GET
/broadcast_tx_commitdeprecated
Returns with the responses from CheckTx and DeliverTx.
broadcast_tx_commit 1 param → 200500
GET
/check_tx
Checks the transaction without executing it.
check_tx 1 param → 200500

Schemas 6

The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are BroadcastTxCommitResponse (4 properties), BroadcastTxResponse (4 properties), CheckTxResponse (4 properties), Event (3 properties). Each schema is shown below with its type and property counts.

CheckTxResponse
object
4 properties 4 required
JSONRPC
object
2 properties
BroadcastTxResponse
object
4 properties 4 required
ErrorResponse
Error Response
BroadcastTxCommitResponse
object
4 properties 4 required
Event
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

sei-tx-api-openapi.yml Raw ↑

Other APIs Sei publishes across the network.

Sei EVM JSON-RPC API
Sei ABCI API
Sei Events API
Sei Evidence API
Sei Info API
Sei Query API
Sei Service API
Sei Unsafe API
Sei Websocket API
Where this information came from

This is an independent, third-party profile of Sei Tx API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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