# serialNumbers

## Description

Returns details of specific blocks within a range of heights from Aleo blockchain.

1000 blocks can be queried at maximum in a single request.

## Method Parameters

* **`params`** - *`Object`*:
  * **`serialNumbers`** - *`Array<string>`*: An array of serial numbers `field` aleo objects as strings to retrieve information for.

## Returns

* **`result`** - *`Array<Object>`*: An array of objects containing details for each record corresponding to input serial numbers.
  * Record detail object:
    * **`serial_number`** - *`string`*: The serial number of the record.
    * **`program_id`** - *`string`*: The ID of the program that generated the record.
    * **`block_id`** - *`number`*: The height of the block containing the record.
    * **`height`** - *`string`*: The block height where the record was produced.
    * **`timestamp`** - *`string`*: The timestamp when the record was created.
    * **`transaction_id`** - *`string`*: The transaction ID that generated the record.
    * **`transition_id`** - *`string`*: The transition ID that generated the record.

## Example

### Request

```bash
curl --location --request POST 'https://testnet3.aleorpc.com' \
  --header 'Content-Type: application/json' \
  --data-raw '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "serialNumbers",
    "params": {
      "serialNumbers": [
        "5870700304294811149033096720219055499575762400180303520383718241817742543235field",
        "4field"
      ]
    }
}'
```

### Response

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "serial_number": "5870700304294811149033096720219055499575762400180303520383718241817742543235field",
      "program_id": "credits.aleo",
      "block_id": 90995,
      "height": "90253",
      "timestamp": "1688526707",
      "transaction_id": "at1mzndh3uqf2sv73v4pws3meu8mwdnwwet434w8sjzwj2np9vhl5gquz30n4",
      "transition_id": "as13hec29slea6vy6kgjwpkavvdp0f8qjevc2s06kxg3v4e3ld0sqgsrrxnfu"
    }
  ]
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.leo.app/aleo-rpc-api/endpoints/records/serialnumbers.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.