---
title: "Submit a signed transaction to Solana"
method: POST
path: "/api/v1/transaction/submit"
tags: ["Staking"]
---

# Submit a signed transaction to Solana

`POST /api/v1/transaction/submit`

## Request

- Base URL: `https://solentic.theblueprint.xyz`
- URL: `https://solentic.theblueprint.xyz/api/v1/transaction/submit`
- Auth: none required

Broadcasts a fully signed base64-encoded transaction to the Solana network and confirms it. Use this after signing an unsigned transaction from /api/v1/stake/transaction, /api/v1/unstake/transaction, or /api/v1/withdraw/transaction.

## Request body

- SubmitTransactionRequest
  - `signedTransaction` string, required: Base64-encoded fully signed Solana transaction

## Response `200`

Transaction submitted and confirmed

- SubmitTransactionResponse
  - `signature` string: Solana transaction signature
  - `explorerUrl` string, uri: Solscan URL to verify the transaction
  - `message` string: Human/agent-readable confirmation message
  - `_meta` ResponseMeta: Navigation metadata included in most responses
    - `endpoint` string: The endpoint that generated this response
    - `description` string: Brief description of the response
    - `timestamp` string, date-time: ISO 8601 timestamp when this response was generated
    - `relatedEndpoints` object: Related REST endpoints for next actions
    - `relatedTools` object: Related MCP tool names (MCP responses only)
    - `nextSteps` object: Contextual next steps based on response data
    - `verifyThisCode` string: Endpoint to verify code integrity
    - `cacheTtlSeconds` integer: Cache TTL for this response
    - `documentation` string: Link to documentation
    - `support` object: Optional donation info — Blueprint is free, donation-supported infrastructure
      - `address` string: Solana address for donations
      - `message` string: Context about why donations help
      - `donate` string: How to build a donation transaction via API/MCP

## Other responses

- `400`: Transaction failed (invalid format, insufficient funds, expired blockhash, etc.)
- `429`: Rate limited — 100 requests per 60-second sliding window
- `500`: Internal server error
- `502`: Solana RPC unavailable or broadcast failure

---

[API](https://skmtc.dev/theblueprint/apis/blueprint-staking-api.md) · [All operations](https://skmtc.dev/theblueprint/apis/blueprint-staking-api/llms.txt) · [OpenAPI document](https://skmtc.dev/theblueprint/apis/blueprint-staking-api/revisions/326d6015b851?raw)