API v1.0Embedded accounting

Embedded Accounting API for Your Platform

Launch accounting features in days instead of quarters — no ledger team to hire, no double-entry engine to build or maintain. Programmable journals, webhooks, and Model Context Protocol for governed agent access, on books your finance team and auditors can trust.

FintechsVertical SaaSAI agentsEmbedded finance
  • 01First journal in minutes
  • 02MCP-native agent tools
  • 03Audit-ready by design
API-first evaluationMCP-nativeAudit history
paprel ▸ journals
live
201POST
validated

Stripe payout · acct_1Q3aBcd

2026-05-16USD
AccountDebitCredit
1010 Cash · Operating$1,240.00
5300 Payment Processing Fees$35.50
4000 Revenue$1,275.50
Totals $1,275.50$1,275.50

Net income

$1,240.00

Assets = Liabilities + Equity

$1,240.00 = $0.00 + $1,240.00

Illustrative loop — see the API docs

Programmable LedgerJournal APIReconciliationAudit TrailMulti-EntityWebhooksMCP-NativeIdempotent WritesReal-Time ReportingInvoicingExpense TrackingSOC 2 Type II · on roadmapISO 27001 Targeted · on roadmapAuth OAuth 2.0/2.1Uptime 99.9% targetRegions US · EU · APACAudit 7yr · CSV/JSONProgrammable LedgerJournal APIReconciliationAudit TrailMulti-EntityWebhooksMCP-NativeIdempotent WritesReal-Time ReportingInvoicingExpense TrackingSOC 2 Type II · on roadmapISO 27001 Targeted · on roadmapAuth OAuth 2.0/2.1Uptime 99.9% targetRegions US · EU · APACAudit 7yr · CSV/JSON
Embedded accounting, explained

An accounting API that turns product events into audit-ready books

Paprel gives SaaS, fintech, and marketplace teams the accounting layer behind ledgers, workflows, reporting, and agent access.

01

Turn product activity into accounting records

Post journals, read balances, generate reports, and wire finance workflows into the product experience your users already trust.

02

Validate every journal before it hits the ledger

Debits and credits must balance before invoices, expenses, payments, adjustments, or settlements reach the general ledger.

03

Keep automation visible to operators

Webhooks, idempotency, and audit history help teams recover from retries and prove what happened.

04

Give AI agents governed accounting access

MCP-native tools let agents inspect balances, draft activity, and answer finance questions through scoped ledger permissions.

Double-entry ledger API

Balanced journals, account mappings, multi-entity books, and general ledger visibility for platform-native accounting workflows.

Webhook automation

Signed events for posted journals, approvals, exceptions, reconciliation, and report updates across your product.

Financial reporting API

Live P&L, balance sheet, trial balance, account detail, and audit-ready reporting from the same accounting source of truth.

Platform Readiness

Built for evaluation and rollout

API-first delivery

Integrate ledgers, workflows, automation, and reporting into your own product with the delivery model your team needs.

Embeddable or headless

Launch on Paprel's hosted surfaces or go headless and build a product experience entirely under your own brand.

Audit history and controls

Keep approvals, journal impact, automation activity, and record history visible for finance, operations, and review teams.

Sandbox and guided rollout

Start in the sandbox, post your first journal, validate workflow and automation fit, then move into implementation with support from the Paprel team.

How it works

Three primitives. One ledger of record

Paprel sits between your product and the books your finance team trusts.

01 · CONNECT

Your platform calls Paprel

Send transactions over a typed API, an SDK, or an MCP tool call — same surface, same primitives.

POST /api/v1/accounting/journals
tool: paprel.journals.create
webhook: ledger.posted
02 · POST

Double-entry journals, validated

Every event lands as a balanced journal in an immutable ledger. Multi-entity, multi-currency, audit-ready.

202 · balanced · ref po_1Q3aBcd
multi-entity · multi-currency
audit-trail · immutable
03 · READ

Reports + reconciliation, in real time

Trial balance, P&L, balance sheet — and a programmable surface to build whatever views you need.

GET /api/v1/accounting/reports
P&L · balance sheet · cash flow
real-time · queryable
Implementation journey

Sandbox to production, one phase at a time

What adopting Paprel actually looks like — from first API call to live, audit-ready books inside your product. The sequence is the same for every team; only the scope moves the dates.

  1. 01 · SANDBOX

    Day one

    Post your first journal

    Self-serve sandbox keys — no billing, no sales call. Post a balanced journal against an isolated ledger in minutes.

    sandbox keys · no card required

  2. 02 · INTEGRATE

    Week one

    Map events to journals

    Wire your product events to the ledger over REST or the TypeScript SDK. Idempotent writes make retries safe from the first commit.

    npm i @paprel/sdk

  3. 03 · WORKFLOWS

    Weeks two–three

    Turn on documents

    Invoices, expenses, and payables generate their own journals through account mappings your finance lead sets once.

    invoice.posted → balanced journal

  4. 04 · REPORTING

    Week four

    Expose live reports

    P&L, balance sheet, and trial balance in your product — derived live from the same ledger rows, nothing to sync or reconcile.

    trial balance ties to 0.00

  5. 05 · PRODUCTION

    Go live

    Switch keys, keep the books

    Move to production on transparent pricing with tenant-pinned regions. Sandbox stays isolated; audit history starts on day one.

    regions: US · EU · APAC

Indicative pace for a first workflow — the 20-minute build guide is the fastest path through the first two phases.

Follow the 20-minute build
Embedded Accounting Core

The accounting capabilities your platform needs

Paprel connects the ledger, accounting workflows, reporting, and controls so platforms can offer accounting as a native product capability.

Why Embedded Accounting

Ship accounting features your customers stay for

Paprel gives platforms the ledger, workflows, reporting, and controls to make accounting a native product experience without rebuilding the books from scratch.

Your product becomes harder to replace

Instead of sending customers to a separate accounting tool, embed the books directly where work already happens. Paprel gives you the accounting APIs, reporting model, and control layer to launch a credible embedded accounting experience under your own brand.

  • Real-time ledger and sub-ledger synchronization
  • Accounting workflows and automation your users never need to leave
  • API-first delivery for platform-native deployment
  • Immutable audit history and compliance-ready controls

Where embedded accounting wins

  • Vertical SaaS Platforms

    Turn your workflow product into the place customers run both operations and accounting, increasing retention and product depth.

  • Fintech Product Teams

    Extend beyond money movement with ledger-backed bookkeeping, reporting, and finance operations for business customers.

  • B2B Marketplaces

    Give sellers, merchants, and operators multi-entity books, settlement visibility, and audit-ready transaction history.

Technical capabilities

Headless or Embeddable

Launch on hosted surfaces for speed, or go headless and build the exact embedded experience your market expects.

Platform-Ready Architecture

Designed for high-volume products: idempotent APIs, signed webhooks, and event pipelines that hold up under production write volume.

Accounting-Grade Integrity

A double-entry foundation with immutable records, traceability, and controls for production accounting workflows.

Design Partner Program

We build Paprel with a focused group of early platform teams

Paprel is in active development with platform, fintech, and accounting-led teams. We work closely with a small number of design partners to harden the ledger core, API surface, and audit model against real production workloads — before broad availability.

A design partner is usually a team that

Is embedding accounting or a ledger into their own product, not buying a standalone tool

Has real transaction volume or a concrete launch timeline to validate against

Wants direct input into the API surface, data model, and audit controls

Apply to the design partner program

Direct architecture access

Work directly with the team designing the ledger and API surface — not a support queue. Shared Slack or working sessions, not ticket numbers.

Shape the roadmap

Integration patterns, webhook events, and reporting models are prioritized around real partner workloads instead of assumptions.

Guided integration

Sandbox evaluation, reference implementations, and hands-on help mapping your workflows onto a double-entry ledger.

Production readiness

Audit history, permission controls, and reconciliation validated against your data before you put it in front of customers.

Inside your product

Your workflows. Your UI. Paprel underneath.

Use hosted surfaces or headless APIs to bring accounting into the product experience your customers already trust.

Explore embedded capabilities
Agent-Ready Accounting

Agent-ready finance starts with an embedded accounting layer your AI agents can reason over

AI workflows, AI agents, and MCP are only useful when they operate on governed accounting context. When your customer asks an assistant what they owed a vendor last quarter, the agent gets a scoped, read-only answer from the ledger of record — not a spreadsheet export. Paprel gives platforms the ledger, permissions, draft actions, and audit trail those workflows need.

What makes it safer

  • Structured accounting context instead of loose exports or spreadsheet copies.
  • Scoped tools, permissions, and draft actions before anything becomes final.
  • MCP-connected accounting tools backed by a real system of record.

The shape of things

Accounting that ships with your product.

One ledger. Every transaction. From the first API call to the audited general ledger — without the middleware in between.

See the embedded accounting platform
FAQs

Questions before embedding accounting

Practical answers about embedded accounting, governed AI workflows, MCP, deployment, permissions, and rollout.

Still have questions?

Talk to the team that's shipping this. Architecture reviews, integration guidance, and pricing without the dance.

Talk to the team
Evaluate Paprel

Build in sandbox, launch with a production trial

Use sandbox for developer testing with no billing. When you are ready for real workflows, start production on a monthly plan with a 14-day free trial.

API-First Delivery
Audit-Ready Controls
Sandbox And Guided Rollout