> ## Documentation Index
> Fetch the complete documentation index at: https://developers.stellar.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Operations

> Operations are objects that represent a desired change to the ledger: payments, offers to exchange currency, changes made to account options, etc. Operations are submitted to the Stellar network grouped in a Transaction.

Each of Stellar’s operations have a unique operation object.

| Endpoints | |
| - | - |
| GET | [/operations/:operation\_id](https://developers.stellar.org/docs/data/apis/horizon/api-reference/retrieve-an-operation.md) |
| GET | [/operations/:operation\_id/effects](https://developers.stellar.org/docs/data/apis/horizon/api-reference/retrieve-an-operations-effects.md) |
| GET | [/operations](https://developers.stellar.org/docs/data/apis/horizon/api-reference/list-all-operations.md) |
| GET | [/payments](https://developers.stellar.org/docs/data/apis/horizon/api-reference/list-all-payments.md) |