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monzo_client

1.0.0
1.0.0

A complete, production-grade Elixir client for the Monzo API: OAuth2, Accounts, Balance, Pots, Transactions, Feed Items, Attachments, Transaction Receipts, and Webhooks. Zero required dependencies.

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monzo_client CHANGELOG.md
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CHANGELOG.md 

# Changelog



All notable changes to this project will be documented in this file.



The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),

and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).



## [1.0.0] - Unreleased



### Added



- Initial release of `monzo`.

- Full OAuth2 authorization-code flow: `Monzo.Auth.build_authorization_url/1`,

  `exchange_code/2`, `refresh_token/2`, `logout/1`, `who_am_i/1`.

- `Monzo.Client` (immutable config struct) + `Monzo.TokenStore` (supervised

  `GenServer`) for automatic access-token refresh on 401, with a

  configurable `:on_refresh` persistence hook.

- Resource modules for the full Monzo API surface: `Monzo.Accounts`,

  `Monzo.Balances`, `Monzo.Pots`, `Monzo.Transactions` (including a lazy

  `Stream`-based `stream/2` for full-history pagination), `Monzo.FeedItems`,

  `Monzo.Attachments`, `Monzo.Receipts`, `Monzo.Webhooks`.

- Typed exception hierarchy (`Monzo.Error.APIError`, `TimeoutError`,

  `NetworkError`, `ValidationError`, `WebhookVerificationError`).

- Automatic exponential-backoff retries with jitter for transient

  (429/5xx/network) failures on idempotent requests.

- `Monzo.Webhooks.parse_event/1` / `assert_expected_account/2` helpers for

  safely handling inbound webhooks.

- Zero required dependencies - built entirely on `:inets`/`:httpc`, `:ssl`,

  `:crypto`, and a vendored `Monzo.JSON` codec.