> ## Documentation Index > Fetch the complete documentation index at: https://docs.validationcloud.io/llms.txt > Use this file to discover all available pages before exploring further. # Submit a Transaction > This endpoint actually submits a transaction to the Stellar network. It only takes a single, required parameter: the signed transaction. Refer to the Transactions page for details on how to craft a proper one. If you submit a transaction that has already been included in a ledger, this endpoint will return the same response as would’ve been returned for the original transaction submission. This allows for safe resubmission of transactions in error scenarios, as highlighted in the error-handling guide. This endpoint actually submits a transaction to the Stellar network. It only takes a single, required parameter: the signed transaction. Refer to the Transactions page for details on how to craft a proper one. If you submit a transaction that has already been included in a ledger, this endpoint will return the same response as would’ve been returned for the original transaction submission. This allows for safe resubmission of transactions in error scenarios, as highlighted in the error-handling guide. This method will use `20` [Compute Units](/nodeapi/about/billing). *** ## Reference: [Here](https://developers.stellar.org/docs/data/apis/horizon/api-reference/submit-a-transaction) ## OpenAPI ````yaml nodeapi/openapi/horizon-openapi-vc.json POST /transactions openapi: 3.0.3 info: title: Horizon version: 0.0.1 servers: - url: https://mainnet.stellar.validationcloud.io/v1/ description: The Pubnet Network security: [] tags: - name: Accounts description: >- Users interact with the Stellar network through accounts. Everything else in the ledger—assets, offers, trustlines, etc. are owned by accounts, and accounts must authorize all changes to the ledger through signed transactions. - name: Assets description: >- Assets are representations of value issued on the Stellar network. An asset consists of a type, code, and issuer. - name: Claimable Balances description: >- A Claimable Balance represents the transfer of ownership of some amount of an asset. Claimable balances provide a mechanism for setting up a payment which can be claimed in the future. This allows you to make payments to accounts which are currently not able to accept them. - name: Effects description: >- Effects represent specific changes that occur in the ledger as a result of successful operations, but are not necessarily directly reflected in the ledger or history, as transactions and operations are. - name: Fee Stats description: >- Fee stats are used to predict what fee to set for a transaction before submitting it to the network. - name: Liquidity Pools description: >- Liquidity Pools provide a simple, non-interactive way to trade large amounts of capital and enable high volumes of trading. - name: Ledgers description: >- Each ledger stores the state of the network at a point in time and contains all the changes - transactions, operations, effects, etc. - to that state. - name: Offers description: >- Offers are statements about how much of an asset an account wants to buy or sell. - name: Order Books description: An order book is a collections of offers for a specific pair of assets. - name: Trade Aggregations description: >- A trade aggregation represents aggregated statistics on an asset pair (base and counter) for a specific time period. Trade aggregations are useful to developers of trading clients and provide historical trade data. - name: Trades description: >- When an offer is fully or partially fulfilled, a trade happens. Trades can also be caused by successful path payments, because path payments involve fulfilling offers. A trade occurs between two parties—base and counter. Which is which is either arbitrary or determined by the calling query. - name: Transactions description: >- Transactions are commands that modify the ledger state and consist of one or more operations. paths: /transactions: post: tags: - Transactions summary: Submit a Transaction description: >- This endpoint actually submits a transaction to the Stellar network. It only takes a single, required parameter: the signed transaction. Refer to the Transactions page for details on how to craft a proper one. If you submit a transaction that has already been included in a ledger, this endpoint will return the same response as would’ve been returned for the original transaction submission. This allows for safe resubmission of transactions in error scenarios, as highlighted in the error-handling guide. operationId: SubmitATransaction parameters: - in: query name: tx schema: type: string description: The base64-encoded XDR of the transaction. required: true responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/SubmitTransaction' examples: SubmitaTransaction: $ref: '#/components/examples/SubmitaTransaction' components: schemas: SubmitTransaction: type: object properties: _embedded: type: object properties: records: type: array items: type: object properties: memo: type: string memo_bytes: type: string _links: type: object properties: self: $ref: '#/components/schemas/link' account: $ref: '#/components/schemas/link' ledger: $ref: '#/components/schemas/link' operations: $ref: '#/components/schemas/link' effects: $ref: '#/components/schemas/link' precedes: $ref: '#/components/schemas/link' succeeds: $ref: '#/components/schemas/link' transaction: $ref: '#/components/schemas/link' required: - self - account - ledger - operations - effects - precedes - succeeds - transaction id: $ref: '#/components/schemas/id' paging_token: type: string successful: type: boolean hash: type: string ledger: type: integer format: int32 created_at: type: string source_account: $ref: '#/components/schemas/address' account_muxed: type: string account_muxed_id: type: string source_account_sequence: type: string fee_account: $ref: '#/components/schemas/address' fee_account_muxed: $ref: '#/components/schemas/address' fee_account_muxed_id: type: string fee_charged: type: string max_fee: type: string operation_count: type: integer format: int32 envelope_xdr: type: string result_xdr: type: string result_meta_xdr: type: string fee_meta_xdr: type: string memo_type: type: string signatures: $ref: '#/components/schemas/signatures' valid_after: type: string valid_before: type: string preconditions: $ref: '#/components/schemas/TransactionPreconditions' fee_bump_transaction: $ref: '#/components/schemas/FeeBumpTransaction' inner_transaction: $ref: '#/components/schemas/InnerTransaction' required: - id - paging_token - successful - hash - ledger - created_at - source_account - source_account_sequence - fee_account - fee_charged - max_fee - operation_count - envelope_xdr - result_xdr - result_meta_xdr - memo_type - signatures link: type: object properties: href: type: string format: link templated: type: boolean required: - href id: type: string address: type: string pattern: G[A-Z0-9]{55} signatures: type: array items: type: string pattern: G[A-Z0-9]{55} TransactionPreconditions: type: object properties: timebounds: $ref: '#/components/schemas/TransactionPreconditionsTimebounds' ledgerbounds: $ref: '#/components/schemas/TransactionPreconditionsLedgerbounds' min_account_sequence: type: string min_account_sequence_age: type: string min_account_sequence_ledger_gap: type: integer format: uint32 extra_signers: type: array items: type: string FeeBumpTransaction: type: object properties: hash: $ref: '#/components/schemas/hash' signatures: $ref: '#/components/schemas/signatures' InnerTransaction: type: object properties: hash: $ref: '#/components/schemas/hash' signatures: $ref: '#/components/schemas/signatures' max_fee: type: string TransactionPreconditionsTimebounds: type: object properties: min_time: type: string max_time: type: string TransactionPreconditionsLedgerbounds: type: object properties: min_ledger: type: string max_ledger: type: string hash: type: string examples: SubmitaTransaction: value: memo: Test Transaction memo_bytes: VGVzdCBUcmFuc2FjdGlvbg== _links: self: href: >- https://horizon-testnet.stellar.org/transactions/8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124 account: href: >- https://horizon-testnet.stellar.org/accounts/GCIHAQVWZH2AB5BB5NP63FBSIREG77LQZZNUVKD2LN2IOCLOT6N72MJN ledger: href: https://horizon-testnet.stellar.org/ledgers/139575 operations: href: >- https://horizon-testnet.stellar.org/transactions/8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124/operations{?cursor,limit,order} templated: true effects: href: >- https://horizon-testnet.stellar.org/transactions/8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124/effects{?cursor,limit,order} templated: true precedes: href: >- https://horizon-testnet.stellar.org/transactions?order=asc&cursor=599470060347392 succeeds: href: >- https://horizon-testnet.stellar.org/transactions?order=desc&cursor=599470060347392 transaction: href: >- https://horizon-testnet.stellar.org/transactions/8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124 id: 8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124 paging_token: '599470060347392' successful: true hash: 8ef0c6d60357bf91b0b0d7800b747ff02bf73117d3e017690cbff641ca67f124 ledger: 139575 created_at: '2021-03-25T21:14:11Z' source_account: GCIHAQVWZH2AB5BB5NP63FBSIREG77LQZZNUVKD2LN2IOCLOT6N72MJN source_account_sequence: '599336916353025' fee_account: GCIHAQVWZH2AB5BB5NP63FBSIREG77LQZZNUVKD2LN2IOCLOT6N72MJN fee_charged: '100' max_fee: '100' operation_count: 1 envelope_xdr: >- AAAAAgAAAACQcEK2yfQA9CHrX+2UMkRIb/1wzltKqHpbdIcJbp+b/QAAAGQAAiEYAAAAAQAAAAEAAAAAAAAAAAAAAABgXP3QAAAAAQAAABBUZXN0IFRyYW5zYWN0aW9uAAAAAQAAAAAAAAABAAAAAJBwQrbJ9AD0Ietf7ZQyREhv/XDOW0qoelt0hwlun5v9AAAAAAAAAAAF9eEAAAAAAAAAAAFun5v9AAAAQKdJnG8QRiv9xGp1Oq7ACv/xR2BnNqjfUHrGNua7m4tWbrun3+GmAj6ca3xz+4ZppWRTbvTUcCxvpbHERZ85QgY= result_xdr: AAAAAAAAAGQAAAAAAAAAAQAAAAAAAAABAAAAAAAAAAA= result_meta_xdr: >- AAAAAgAAAAIAAAADAAIhNwAAAAAAAAAAkHBCtsn0APQh61/tlDJESG/9cM5bSqh6W3SHCW6fm/0AAAAXSHbnnAACIRgAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAABAAIhNwAAAAAAAAAAkHBCtsn0APQh61/tlDJESG/9cM5bSqh6W3SHCW6fm/0AAAAXSHbnnAACIRgAAAABAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAA= fee_meta_xdr: >- AAAAAgAAAAMAAiEYAAAAAAAAAACQcEK2yfQA9CHrX+2UMkRIb/1wzltKqHpbdIcJbp+b/QAAABdIdugAAAIhGAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAEAAiE3AAAAAAAAAACQcEK2yfQA9CHrX+2UMkRIb/1wzltKqHpbdIcJbp+b/QAAABdIduecAAIhGAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAA== memo_type: text signatures: - >- p0mcbxBGK/3EanU6rsAK//FHYGc2qN9QesY25rubi1Zuu6ff4aYCPpxrfHP7hmmlZFNu9NRwLG+lscRFnzlCBg== valid_after: '1970-01-01T00:00:00Z' valid_before: '2021-03-25T21:17:04Z' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.