Field service software API access by plan: Jobber, Housecall Pro, ServiceTitan, Workiz and more

Why does API access matter for a service business?

An API is the door other software uses to read and write your data. Your website form creating a lead, a call-tracking tool attaching a source, an AI receptionist booking a visit, a dashboard pulling revenue by tech, or a nightly backup of your jobs: each one needs an API, or a connector built on one. A webhook is the other half, a message the software sends out the moment something changes, so the other system does not have to keep asking.

Without API access, you are limited to the integrations the vendor has built and the exports it allows. That is fine for many shops. But if you want to connect something the vendor has not, or keep a live copy of your own records, the plan that unlocks the API is the plan you are really buying. Everything below comes from each vendor's own pricing page and developer docs, read October 19, 2026; all prices are US list prices before tax.

Which plan includes API access?

Our arithmetic from those pages: of the vendors that publish both a price and an API plan, GorillaDesk Pro is the lowest entry point at $99 a month for one route, then Housecall Pro Max at $299 billed annually, then Service Fusion Pro at $533. GorillaDesk's description is about pushing records in, and its help center calls the public API "an add-on for Pro users" without a published add-on price, so confirm the cost and whether it can read data back out. Workiz and ServiceTitan require a sales quote for the plan that carries the API.

Does Jobber have an API, and which plan do I need?

Jobber has a public GraphQL API. Per the Developer Center, every request is a POST to one endpoint with a bearer token obtained through OAuth 2.0 and a version header. Webhooks are configured per app and follow an OBJECT_ACTION naming pattern such as CLIENT_CREATE; the payload names the event and the record's ID, and the app then queries for the details. Jobber signs each webhook with an HMAC header so the receiving app can confirm it came from Jobber.

Limits come in two layers, per the rate limit page: a ceiling of 2,500 requests in any five minutes for each app and account pair, and a separate cost budget per app and account: 10,000 points, restored at 500 a second. Collection queries without a page size are charged as if they return 100 records each, so a careless integration can throttle itself.

The plan question is less clear. Jobber's pricing page lists connecting "100+ tools through the app marketplace" among Core's key features, so marketplace apps are not reserved for top plans. It also lists an "API Tour with API Access" as part of white-glove onboarding, valued at $99, without naming the plan. And Jobber's custom integrations page says Jobber is focused on apps for its App Marketplace, and that private custom integrations are possible only for specific, approved customers and developers; once an unpublished draft app is detected on over five paying Jobber accounts, its API access is blocked. So for a one-company integration, ask Jobber in writing whether your plan and use case qualify. Jobber's App Marketplace lists Zapier, which connects Jobber to other web apps without code, and connectors for ChatGPT and Claude.

Which Housecall Pro plan has API access?

Max. The Housecall Pro pricing page lists "Open API access" on Max and its FAQ says the Max plan "offers access to Zapier and our open API." Housecall Pro's API documentation says the API is available to any Pro on the MAX or XL plan, and to third-party software companies building integrations. A business on Max generates its own API key; verified integration partners, who sign agreements with Housecall Pro, use OAuth 2.0.

The docs list endpoints to create and read customers, employees and jobs, add attachments to jobs, and receive events when jobs are created, scheduled, completed and paid, when estimates are created and won, and when customers change. Rate limits exist but the numbers are not published: a request over the limit gets a 429 response with a RateLimit-Reset header. If you are on Basic ($59 billed annually) or Essentials ($149), the API is a reason to move to Max at $299, which also raises included users to 8.

How do you get ServiceTitan API access?

ServiceTitan's customer integration paths page sets out three routes. Certified apps are built by third parties, reviewed by ServiceTitan, listed at its marketplace, and connect without you sharing app keys; ServiceTitan calls this the best practice. Customer-built apps are created, hosted and maintained by you with your own app keys, and the page says to ensure you are on the Works or Ent Plus package, then request an integration environment. The third route, tunneling, where an outside company uses an app key you created or permissions you granted, is not allowed.

The ServiceTitan pricing page lists Starter, Essentials and The Works with per-technician pricing and no figures. So the API plan is the top published package, and its price comes from your quote. If you are negotiating a ServiceTitan contract and plan to connect your own tools, put the package and the API access in the order form.

What about Workiz, GorillaDesk and Service Fusion?

Workiz. The pricing page lists Open API on Ultimate, with Standard and Pro marked as not including it, and Zapier the same way. Every plan shows Request pricing. The developer API reference is REST, with the account's API token placed in the base URL, and covers jobs (create, update, assign, add a payment), leads (create, update, mark lost, convert to a job), team members and time off. Webhooks are not shown on the reference page we read.

GorillaDesk. The pricing page lists Open API Access on the Pro plan, described as pushing new customers, leads and jobs into GorillaDesk from any lead form or software, with a Zapier integration on the same plan. Pro is $99 a month per route paid monthly, and every plan includes unlimited users.

Service Fusion. The pricing page lists Open API Integration on Pro ($533 a month billed annually, $627 month to month). The Starter and Plus feature lists do not mention it. All Service Fusion plans include unlimited users.

What should I check before building on a vendor's API?

1. Read and write. Can the API create the records you need (clients, requests, jobs, visits, invoices) and read them back, or only push data in?
2. Webhooks. Does it send events when things change, or will your integration have to poll?
3. Limits. Are rate limits published, and do they fit a nightly backup of your full history?
4. Plan lock. If you drop to a cheaper plan later, the integration stops. Price the API plan for as long as you need the integration.
5. Who builds it. Some vendors restrict who can use keys on your behalf, as ServiceTitan does with tunneling.

An API on your plan is also the cleanest way to keep a complete copy of your records, which is why it belongs in any conversation about who owns your data and in your plan for switching systems.

What if I want full access to my own data?

The vendors above built their APIs for marketplaces and integration partners first, and they gate them by plan because they run shared systems for thousands of companies. That is a reasonable design for them. The alternative is a system your company owns. We build custom CRMs in the client's name, where the database and its API belong to you and we add no per-user fees. There is no public price list (see how we price), and we make no promises about results. For the receptionist side of this question, see AI receptionists that book into Jobber and the built-in agents on Housecall Pro, ServiceTitan and Workiz.

Frequently asked questions