Rillet
Rillet is an AI-native, cloud enterprise resource planning (ERP) and general-ledger platform built for modern finance teams. It automates core accounting workflows — general ledger, accounts receivable and payable, bank reconciliation, revenue and contract management, month-end close, and financial reporting — and layers on "Aura AI" for natural-language querying and workflow automation. The Rillet Accounting API (OpenAPI 3.1, 110 operations) exposes accounts, subsidiaries, customers, vendors, products, contracts, invoices, credit memos, bills, journal entries, bank accounts/transactions, reimbursements, and financial-statement reports, with bearer/OAuth2 auth, RFC 9457 errors, idempotency, keyset pagination, signed webhooks, and an official hosted MCP server. Rillet is backed by Creandum, First Round Capital, and ICONIQ.
Rillet publishes 28 APIs on the APIs.io network, including API Key API, Bank accounts API, Bank Transactions API, and 25 more. Tagged areas include Company, Fintech, ERP, Accounting, and Finance.
The Rillet catalog on APIs.io includes 1 event-driven AsyncAPI specification.
Rillet’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, signup flow, changelog, and 25 more developer resources.
Kin Score
APIs 28
Individual APIs this provider publishes, each with its own machine-readable definition.
Rillet API Key API
The API Key API from Rillet — 1 operation(s) for api key.
Rillet Bank accounts API
The Bank accounts API from Rillet — 2 operation(s) for bank accounts.
Rillet Bank Transactions API
The Bank Transactions API from Rillet — 2 operation(s) for bank transactions.
Rillet Bill Payments API
The Bill Payments API from Rillet — 2 operation(s) for bill payments.
Rillet Bills API
The Bills API from Rillet — 2 operation(s) for bills.
Rillet Books periods API
The Books periods API from Rillet — 1 operation(s) for books periods.
Rillet Charges API
The Charges API from Rillet — 2 operation(s) for charges.
Rillet Chart of Accounts API
The Chart of Accounts API from Rillet — 1 operation(s) for chart of accounts.
Rillet Contract Items API
The Contract Items API from Rillet — 1 operation(s) for contract items.
Rillet Contracts API
The Contracts API from Rillet — 5 operation(s) for contracts.
Rillet Credit Memos API
The Credit Memos API from Rillet — 4 operation(s) for credit memos.
Rillet Customer Payments API
The Customer Payments API from Rillet — 1 operation(s) for customer payments.
Rillet Customers API
The Customers API from Rillet — 2 operation(s) for customers.
Rillet Draft Contracts API
The Draft Contracts API from Rillet — 2 operation(s) for draft contracts.
Rillet Fields API
The Fields API from Rillet — 4 operation(s) for fields.
Rillet Health API
The Health API from Rillet — 1 operation(s) for health.
Rillet Invoice payments API
The Invoice payments API from Rillet — 3 operation(s) for invoice payments.
Rillet Invoices API
The Invoices API from Rillet — 4 operation(s) for invoices.
Rillet Journal Entries API
The Journal Entries API from Rillet — 2 operation(s) for journal entries.
Rillet Organizations API
The Organizations API from Rillet — 1 operation(s) for organizations.
Rillet Products API
The Products API from Rillet — 2 operation(s) for products.
Rillet Reimbursements API
The Reimbursements API from Rillet — 2 operation(s) for reimbursements.
Rillet Reports API
The Reports API from Rillet — 7 operation(s) for reports.
Rillet Subsidiaries API
The Subsidiaries API from Rillet — 2 operation(s) for subsidiaries.
Rillet Tax rates API
The Tax rates API from Rillet — 1 operation(s) for tax rates.
Rillet Vendor Credit Applications API
The Vendor Credit Applications API from Rillet — 1 operation(s) for vendor credit applications.
Rillet Vendor Credits API
The Vendor Credits API from Rillet — 2 operation(s) for vendor credits.
Rillet Vendors API
The Vendors API from Rillet — 2 operation(s) for vendors.
Scroll for all 28
MCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
rillet-mcp.yml
MCP SERVEREvent Specifications 1
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Rillet Webhooks
ASYNCAPISecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 5
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 5
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
Scroll for all 7
Access & Security 4
Authentication, authorization, and security posture
Operate 4
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type