Purchases
Buy data and airtime, and look up the result of any purchase by its reference.
Buy data
Purchase a data plan for a phone number. The plan's price is debited from your wallet atomically โ if delivery fails, you are not charged.
Buy airtime
Send airtime to a phone number. `amount` is in **whole naira** (e.g. `100` for โฆ100); everything else in the response is in kobo.
Get a transaction
Look up a single purchase by **either** the `reference` we returned at purchase time **or** the `clientReference` you sent with the purchase. Use this to resolve a `Processing` purchase, or to reconcile after a network error.