Get bank transaction

//native

type Codat = {

	encodedKey: string

}

/**

 * Get bank transaction

 * The *Get transaction* endpoint returns a single transaction for a given transactionId.

[Transactions](https://docs.codat.io/lending-api#/schemas/Transaction) provide an immutable source of up-to-date information on income and expenditure.

Before using this endpoint, you must have [retrieved data for the company](https://docs.codat.io/lending-api#/operations/refresh-company-data).

 */

export async function main(

	auth: Codat,

	companyId: string,

	connectionId: string,

	transactionId: string

) {

	const url = new URL(

		`https://api.codat.io/companies/${companyId}/connections/${connectionId}/data/banking-transactions/${transactionId}`

	)

	const response = await fetch(url, {

		method: 'GET',

		headers: {

			Authorization: `Basic ${auth.encodedKey}`

		},

		body: undefined

	})

	if (!response.ok) {

		const text = await response.text()

		throw new Error(`${response.status} ${text}`)

	}

	return await response.json()

}