---
title: "Invoice Ninja API Reference."
account: invoiceninja
slug: invoice-ninja-api-reference
---

# Invoice Ninja API Reference.

Invoicing and billing: manage clients, invoices, quotes, payments, credits and recurring billing

- Operations: 379
- Versions: 110 (latest `bcda1f823746`)
- License: [Elastic License](https://www.elastic.co/licensing/elastic-license)
- Homepage: https://www.invoiceninja.com
- Docs: [Client Libraries](https://invoiceninja.github.io)
- Contact: contact@invoiceninja.com
- Source: https://raw.githubusercontent.com/invoiceninja/invoiceninja/HEAD/openapi/api-docs.yaml
- OpenAPI document: https://skmtc.dev/invoiceninja/apis/invoice-ninja-api-reference/revisions/bcda1f823746?raw

## Operations

379 in total, by tag:

- auth (6)
- activities (4)
- refresh (1)
- yodlee (1)
- bank_integrations (11)
- bank_transactions (9)
- bank_transaction_rules (8)
- charts (4)
- client_gateway_tokens (7)
- companies (10)
- company_gateways (8)
- company_ledger (1)
- company_user (1)
- connected_account (1)
- designs (8)
- documents (1)
- emails (1)
- expense_categories (8)
- expenses (8)
- expense (1)
- export (1)
- group_settings (9)
- imports (2)
- import (1)
- postmark (3)
- claim_license (1)
- logout (1)
- migration (3)
- one_time_token (1)
- payment_terms (7)
- payment_termss (1)
- ping (2)
- health_check (1)
- preview (2)
- recurring_expenses (8)
- recurring_expense (1)
- recurring_quotes (9)
- reports (27)
- update (2)
- statics (1)
- subscriptions (8)
- scheduler (1)
- support (1)
- system_logs (2)
- task_schedulers (7)
- task_status (8)
- tax_rates (7)
- templates (2)
- search (1)
- tokens (8)
- users (11)
- webcron (1)
- webhooks (7)
- Webhooks (1)
- credits (8)
- Credits (1)
- quotes (12)
- tags (8)
- locations (7)
- Recurring Invoices (11)
- tasks (10)
- invoices (12)
- projects (9)
- vendors (9)
- payments (11)
- clients (14)
- Purchase Orders (11)
- products (9)

Every operation, with a link to its markdown: https://skmtc.dev/invoiceninja/apis/invoice-ninja-api-reference/llms.txt