> For the complete documentation index, see [llms.txt](https://timechain.gitbook.io/neucron-javascript-sdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://timechain.gitbook.io/neucron-javascript-sdk/payments-and-operations.md).

# Payments & Operations

This section groups related SDK modules so builders do not have to navigate one giant Features bucket.

| Page                            | SDK accessor   | What it covers                                                                                                                  |
| ------------------------------- | -------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| Pay                             | `sdk.pay`      | Send assets by blockchain address, email, or Paymail.                                                                           |
| Customers                       | `sdk.customer` | Create and manage customers for invoices, collections, and AR workflows.                                                        |
| Invoicing & Payment Collections | `sdk.invoice`  | Create invoices, payment collections, payment sessions, reminders, confirmations, revenue graphs, and collection status checks. |
| Vendors                         | `sdk.vendor`   | Create/manage vendors, invitations, suspension, vendor ledger, expenses, and vendor payments.                                   |
| Bills                           | `sdk.bill`     | Create, review, confirm, pay, and map vendor bills to payouts.                                                                  |
| Payouts                         | `sdk.payout`   | Create payout drafts/requests, update, confirm, trigger, list, and inspect payouts.                                             |
| Billing & Subscriptions         | `sdk.billing`  | Manage Neucron platform billing, pricing plans, credits, invoices, payment methods, and billing analytics.                      |