simPRO is a cloud-first field service management platform built for trade contractors and service businesses, electrical, plumbing, HVAC, security, and fire protection. This page is an independent design exercise that asks what a well-designed simPRO API could look like: the resources it would expose, the authentication it would need, and the workflows it could unlock. Below: a hypothetical endpoint design, the technical requirements a production implementation would face, the use cases programmatic access could serve, and where to start if your team needs this kind of access today.

This page is an independent analysis by Supergood of what a well-designed simPRO API could look like. It draws on publicly available information, vendor materials, and general integration experience in this category. Nothing on this page describes an existing simPRO product, and Supergood is not affiliated with or endorsed by the vendor. If the vendor offers an official API, we highly recommend it.
simPRO is a cloud-first field service management platform built for trade contractors and service businesses, electrical, plumbing, HVAC, security, and fire protection. Companies use simPRO Premium to manage the full job lifecycle: estimating and quoting, scheduling and dispatch, mobile field execution, stock and inventory control, asset maintenance, project tracking with progress and milestone billing, and invoicing and financial reporting.
Core product areas include:
An API for a platform like this would naturally organize around its core data entities:
Trade and contracting businesses run daily operations on simPRO, but turning its field-and-office workflows into reliable API-driven automation is non-trivial:
If simPRO exposed a modern, general-purpose API, the integration challenges above suggest what it would need to get right. This is a design sketch, not documentation of anything that exists today:
The endpoint sketches, technical requirements, and use cases below flesh out this hypothetical design.
How AI agents could connect to software like simPRO: MCP servers for software without a public API →
If your team needs this kind of access today, Supergood builds integrations on request, one customer at a time. We act at the direction of our customers, within the access they already hold. Customers bring their own accounts, licenses, and entitlements. If the vendor offers an official API, we highly recommend it.
Authentication
/authenticateWould authenticate to a simPRO company build via OAuth2 and obtain a session token for downstream calls.
Jobs
/jobsWould list jobs with filters for stage, status, customer, site, assigned staff, and modified-since date.
Jobs
/create_jobWould create a new job against a customer and site with cost centers, catalog items, and prebuilds.
Quotes
/quotesWould retrieve quotes and leads with line items, cost centers, status, and conversion state.
Billing
/invoicesWould pull invoices, credit notes, and customer payments across jobs with status and date filters.
Scheduling
/schedulesWould list activity schedules and dispatch assignments for technicians, jobs, and recurring service work.
- Pull jobs, quotes, and cost centers from each simPRO build into a single data warehouse - Stream invoice, credit note, and payment events to downstream BI and accounting tools - Reconcile customer, site, and contact records for a unified service 360
- Push new quotes and jobs into simPRO from your CRM or intake forms without portal clicks - Attach catalog items, prebuilds, and takeoffs to estimates programmatically - Convert accepted quotes to jobs and route them to scheduling automatically
- Sync activity schedules and dispatch assignments with external calendars and routing tools - Pull technician time, job notes, and photos captured in the mobile app into reporting - Trigger recurring maintenance jobs from asset and Maintenance Planner data
- Sync invoices, payments, and credit notes from simPRO into your general ledger and AR systems - Match contractor invoices and variances against purchase orders and cost centers - Surface stock levels, catalog pricing, and vendor orders to inventory and procurement tools
Automate this platform from the no-code stack you already use.
Authentication
Would require OAuth2 application credentials plus MFA-protected logins with managed session handling
Connectivity
Would build on simPRO's RESTful API (/api/v1.0/companies/{id}/...) augmented with authenticated browser flows where needed
Response format
Normalized JSON across Jobs, Quotes, Invoices, Schedules, Customers, and Asset objects
Rate limits
Adaptive throttling tuned to your company build to respect simPRO API rate limits
Session management
Would need automatic OAuth2 token refresh, MFA replay handling, and credential rotation
Data freshness
Near real-time pulls for jobs, schedules, and invoices with optional scheduled batch syncs
Security
Encrypted credential vault, scoped access tokens, SOC 2-aligned controls, and audit logging
Webhooks
Event-style callbacks for job, quote, and lead status changes plus invoice and payment updates
Latency
Design target: sub-second reads on cached entities; multi-second writes when posting jobs, quotes, and invoices
Throughput
Design target: horizontally scaled workers sized to multi-build, multi-trade job and catalog volume
Reliability
Retry, backoff, and idempotency keys for job creation, invoicing, and payment transactions
Versioning
Clear versioning and change management would matter as simPRO evolves
Yes. Time entries, job notes, photos, and field-captured payments flow through the same normalized API surface, so mobile field data sits alongside office job, quote, and invoice records.
Yes. The API supports creating and updating jobs, quotes, invoices, payments, and contractor records, with idempotency and validation so writes stay consistent with your build's cost centers and tax codes.
Availability of official interfaces varies by product, plan, and licensing. Many platforms in this category gate access behind partner programs or paid modules, and there is often no broadly available, self-serve public API. Check the vendor's developer resources for current offerings.
The hard parts would be authentication (MFA, session management, enterprise controls), consistent schemas across the platform's products, and write semantics that reconcile the way the platform's own workflows do.
No. This page is an independent analysis by Supergood and is not affiliated with, sponsored by, or endorsed by the vendor. All product names and trademarks belong to their respective owners and are used for identification only. Nothing here documents an actual simPRO product or service.
Supergood acts at the direction of its customers, within the access those customers already have. We respect each customer's agreements with their software vendors, and how those agreements apply to a customer's use is a determination the customer makes. If the vendor offers an official API, we highly recommend it.
Supergood builds managed API access to enterprise software for customers on request, scoped to each customer's own licensing and entitlements. If your team needs programmatic access to a platform like this, schedule an integration assessment to discuss options.