README.md
# ExPayjp
simple HTTP client for [PAY.JP](https://pay.jp/).
## Installation
```elixir
def deps do
[
{:ex_payjp, "~> 0.3.0"}
]
end
```
## Configuration
```elixir
use Mix.Config
config :payjp,
secret_key: "YOUR SECRET KEY",
expiry_days: 1
```
expiry_days: default value is 1.
secret_key: you can use environment variables.
```bash
export PAYJP_SECRET_KEY="YOUR SECRET KEY"
```
## License
MIT