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Use ProAbono through Corsair: one client, typed API calls. ProAbono bills recurring subscriptions. Every account is served from its own host, api-<account>.proabono.com, so the plugin needs your account number as well as the two keys from Integration, API in the back office: the agent key and the API key. All three are stored with the connection. They travel as HTTP Basic, with the agent key as the username and the API key as the password. What to know before you bill:
  • The account number. Store account as 42 (or paste the endpoint, https://api-42.proabono.com) to reach api-42.proabono.com; an account plugin option overrides it. Without it there is no host to call, so the plugin asks for the connection rather than guessing.
  • Two steps to a subscription. A subscription is created from an offer reference and a customer reference, and it only starts billing once the customer is billable. TryStart: false creates it without starting, so it can be customised first; start then begins it.
  • Amounts are integer cents. Every amount, such as AmountRecurrence and an invoice’s AmountTotal, is in the currency’s minor unit, so 9900 is 99.00.
  • Usages accumulate. usages.increment adds to a feature’s usage, and a negative increment subtracts, which is how a reversed action is recorded. Every usage change needs a DateStamp; ProAbono records two changes with the same timestamp once. usages.update sends up to 50 rows at once.
  • Lists are paginated. List answers carry Page, SizePage, Count and TotalItems beside the rows; pass Page for the next page.
  • A 204 is not an error. ProAbono answers a read that finds nothing with 204 and an empty body. The plugin turns that into an empty result rather than failing the parse.
  • A 422 lists the bad fields. It carries one entry per field; the thrown ApiError keeps that list on body.
  • Nothing to check a subscription with. The docs warn against using subscriptions.get to decide whether a user is a subscriber, and point at their own method instead.
  • Webhooks. ProAbono notifies through its portal rather than by webhook deliveries, so this plugin receives none.
What you get:
  • 27 typed API operations

Setup

1

Install

2

Add the plugin

corsair.ts
With multiTenancy: true, scope calls with corsair.withTenant(id). See Quick start for KEK + Hub keys, and Multi-tenancy for account isolation.
3

Choose authentication

4

Connect a tenant

Mint a connect link and send the tenant to it. Hub hosts the page and delivers the result to your app — see Connect / OAuth.

Example API calls

List the offers in your account
Create a customer with your own reference
See the full list on the API page.

What’s next

API reference

Every proabono.api.* operation with input and output types.

Connect / OAuth

createLink, Hub delivery, and tenant connect flows.

Use with agents

Expose this plugin’s operations as MCP tools.