A Forrester Total Economic Impact™ Study Commissioned By ADP, January 2025
As businesses continue to digitize, many organizations have accrued separate digital solutions to manage every step of their HR operations, such as payroll, time and attendance, onboarding, and development, as well as related business processes and analytics. While each solution may perform well individually, organizations often struggle to manage multiple tools, and data is often siloed in each platform. This is where application programming interfaces (APIs) come into play, enabling organizations to integrate different software systems so that data can flow between them. With products like ADP API Central, organizations can access a wide array of APIs to seamlessly integrate their HR, payroll, time and attendance, and other workforce management systems.
ADP API Central is a centralized platform for ADP clients to access and use a comprehensive set of APIs. These APIs enable integration between different business tools, allowing data to flow across different workforce management systems and eliminating data silos. By leveraging these APIs through API Central, businesses can streamline their IT and HR processes, gain real-time insights into HR metrics, and make informed decisions to drive organizational success.
ADP commissioned Forrester Consulting to conduct a Total Economic Impact™ (TEI) study and examine the potential return on investment (ROI) enterprises may realize by deploying API Central.1 The purpose of this study is to provide readers with a framework to evaluate the potential financial impact of API Central on their organization.
To better understand the benefits, costs, and risks associated with this investment, Forrester interviewed five decision-makers with experience using API Central. Using the experiences of the customer interviewees, Forrester created a single composite organization as a focus of the financial analysis. The composite organization has 1,500 employees and revenue of $400 million per year.
Some interviewees reported that prior to using API Central, their organizations built custom integrations and data connectors to link different workforce tools and platforms. Other interviewees reported that it was not economically viable for them to manually build these connections between their data endpoint systems, so data did not flow between different systems, and they were unable to automate processes that touched multiple tools.
Based on the customer interviews, Forrester assumes that before adopting API Central, the composite organization built manual integrations between certain systems, but did not integrate as many systems as they would have if they had easy access to APIs and associated developer resources.
After the investment in API Central, interviewees’ organizations gained immediate access to APIs and comprehensive developer resources, enabling them to more easily integrate a greater number of systems. Organizations that were previously building custom integrations saw substantial time savings on connecting different systems. Organizations that were not previously integrating systems were now able to automate processes that involved multiple workforce management applications, which saved time on HR tasks such as managing employee payroll, benefits administration, onboarding, and offboarding. API Central also enabled interviewees’ organizations to automate data transfer and synchronization, saving time on reporting and eliminating data errors.
Quantified benefits. Three-year, risk-adjusted present value (PV) quantified benefits for the composite organization include:
For , IT time savings might be worth over three years.
For , HR time savings might be worth over three years.
For , improved reporting efficiency might be worth over three years.
Unquantified benefits. Benefits that provide value for the composite organization but are not quantified for this study include:
Costs. Three-year, risk-adjusted PV costs for the composite organization include:
For , licensing costs over three years might total .
For , labor costs to implement API Central might total .
The representative interviews and financial analysis found that a composite organization experiences benefits of $246,000 over three years versus costs of $105,000, adding up to a net present value (NPV) of $141,000 and an ROI of 135%.
might experience benefits of over three years versus costs of and an ROI of 0%.
Return on investment (ROI)
Benefits PV
Net present value (NPV)
Payback
From the information provided in the interviews, Forrester constructed a Total Economic Impact™ framework for those organizations considering an investment in API Central.
The objective of the framework is to identify the cost, benefit, flexibility, and risk factors that affect the investment decision. Forrester took a multistep approach to evaluate the impact that API Central can have on an organization.
Interviewed ADP stakeholders and Forrester analysts to gather data relative to API Central.
Interviewed five representatives at organizations using API Central to obtain data about costs, benefits, and risks.
Designed a composite organization based on the characteristics of the interviewees’ organizations.
Constructed a financial model based on the interviews using the TEI methodology and risk-adjusted the financial model based on issues and concerns of the interviewees.
Employed four fundamental elements of TEI in modeling the investment impact: benefits, costs, flexibility, and risks. Given the increasing sophistication of ROI analyses related to IT investments, Forrester’s TEI methodology helps to provide a complete picture of the total economic impact of purchase decisions. Please see Appendix A for additional information on the TEI methodology.
Readers should be aware of the following:
This study is commissioned by ADP and delivered by Forrester Consulting. It is not meant to be used as a competitive analysis.
Forrester makes no assumptions as to the potential ROI that other organizations will receive, as results will vary for different organizations. Forrester strongly advises that readers use their own estimates within the framework provided in the study to determine the appropriateness of an investment in API Central. For the interactive functionality using Configure Data/Custom Data, the intent is for the questions to solicit inputs specific to a prospect’s business. Forrester believes that this analysis is representative of what companies may achieve with API Central based on the inputs provided and any assumptions made. Forrester does not endorse ADP or its offerings. Although great care has been taken to ensure the accuracy and completeness of this model, ADP and Forrester Research are unable to accept any legal responsibility for any actions taken on the basis of the information contained herein. The interactive tool is provided ‘AS IS,’ and Forrester and ADP make no warranties of any kind.
ADP reviewed and provided feedback to Forrester, but Forrester maintains editorial control over the study and its findings and does not accept changes to the study that contradict Forrester’s findings or obscure the meaning of the study.
ADP provided the customer names for the interviews but did not participate in the interviews.
Consulting Team:
Matt Dunham
| Role | Industry | Annual Revenue | Employees |
|---|---|---|---|
| CIO | Healthcare | $100 million to $500 million | 1,500 |
| IT manager | Education | $10 million to $100 million | 1,000 |
| Software engineer | Construction | $100 million to $500 million | 400 |
| VP of digital technology | Agricultural technology | $10 million to $100 million | 350 |
| President | Manufacturing | $10 million to $100 million | 200 |
Some interviewees reported that prior to adopting API Central, they built custom data connectors and integrations to connect certain workforce management tools, but it was a labor-intensive process and often not economically viable to integrate tools. Other interviewees reported that they lacked the organizational bandwidth to build connections between any of these tools manually, so tools operated in silos and data did not flow between them. The interviewees noted how their companies struggled with common challenges, including:
The interviewees’ organizations searched for a solution that could:
Based on the interviews, Forrester constructed a TEI framework and an ROI analysis that illustrates the areas financially affected. Forrester used the five customer interviews to create the composite organization that is used to present the aggregate financial analysis in the next section. The composite organization has the following characteristics:
Description of composite. The composite organization has 1,500 employees and annual revenue of $400 million. Previously, the composite organization built custom integrations between some of its workforce management systems. Potential projects to build integrations between other systems required too much internal labor, so the composite organization did not bother integrating those systems, and data did not flow between them.
In its first year of using API Central, the composite organization completes six integration projects. As many of its integration needs are addressed in Year 1, the number of projects declines in subsequent years. The composite conducts four integration projects in Year 2 and two in Year 3.
| Ref. | Benefit | Year 1 | Year 2 | Year 3 | Total | Present Value |
|---|---|---|---|---|---|---|
| Atr | Time savings on custom integration projects | $40,824 $40,824 | $27,216 $27,216 | $13,608 $13,608 | $81,648 $81,648 | $69,829 $69,829 |
| Btr | HR time savings on managing employee onboarding and offboarding | $29,644 $29,644 | $39,525 $39,525 | $49,406 $49,406 | $118,575 $118,575 | $96,734 $96,734 |
| Ctr | Time savings from automating HR reporting and eliminating data errors | $32,141 $32,141 | $32,141 $32,141 | $32,141 $32,141 | $96,422 $96,422 | $79,929 $79,929 |
| Total benefits (risk-adjusted) | $102,609 $102,609 | $98,882 $98,882 | $95,155 $95,155 | $296,645 $296,645 | $246,492 $246,492 | |
Evidence and data. Certain interviewees reported that prior to adopting API Central, they were building custom integrations or data connectors between workforce management systems. For organizations that were building integrations or data connectors, API Central sped up the integration process, allowing them to quickly pull and connect data from different systems.
Modeling and assumptions. Based on the interviews, Forrester assumes the following about the composite organization:
might complete 0 integration projects in the first year using API Central. It might conduct 0 integration projects in Year 2 and 0 projects in Year 3.
Prior to adopting API Central, integrating data from two systems might have taken 10 days.
A team of 0 IT employees might devote 75% of their time to each integration project at .
With API Central, the employee effort required for each integration project at might decline by 50%.
Risks. Integration project time savings can vary based on:
Results. To account for these risks, Forrester adjusted this benefit downward by 10%, yielding a three-year, risk-adjusted total PV (discounted at 10%) of nearly $70,000.
For , this benefit might have a three-year, risk-adjusted total PV of .
| Ref. | Metric | Source | Year 1 | Year 2 | Year 3 | |
|---|---|---|---|---|---|---|
| A1 | Custom integration projects per year | CompositeComposite | 66 | 44 | 22 | |
| A2 | Days to manually integrate systems before ADP API Central | Interviews | 1010 | 1010 | 1010 | |
| A3 | Employees working on each integration project | CompositeScaled for | 33 | 33 | 33 | |
| A4 | Percentage of time dedicated to each integration project | Interviews | 75%75% | 75%75% | 75%75% | |
| A5 | Time savings on custom integration projects with ADP API Central | Interviews | 50%50% | 50%50% | 50%50% | |
| A6 | Fully burdened hourly rate of IT staff | CompositeTEI case study | $84$84 | $84$84 | $84$84 | |
| At | Time savings on custom integration projects | A1*A2*A3*A4*A5*A6*8 hours per day | $45,360 $45,360 | $30,240 $30,240 | $15,120 $15,120 | |
| Risk adjustment | ↓10% | |||||
| Atr | Time savings on custom integration projects (risk-adjusted) | $40,824 $40,824 | $27,216 $27,216 | $13,608 $13,608 | ||
| Three-year total: $81,648 $81,648 | Three-year present value: $69,829 $69,829 | |||||
Evidence and data. Interviewees reported that before implementing API Central, they had to manually update all of their workforce systems whenever an employee was hired or left their organization. For organizations with lots of frontline workers and frequent turnover, updating their systems took much of their HR team’s time and sometimes led to new employees spending hours waiting for their accounts to be enabled. Interviewees shared that API Central enabled their organization to automate data transfer and synchronization across different workforce systems, saving HR staff time on managing employee changes.
Modeling and assumptions. Based on the interviews, Forrester assumes the following about the composite organization:
has 0 employees.
In any given year, 0 employees, or 0% of the total employee base, are either onboarded or offboarded.
API Central might enable to automate data transfer and synchronization across different workforce systems, which might save HR an average of 0 hours per onboard or offboard in Year 1. As more systems are integrated with API Central in Years 2 and 3, the time saved per change might increase to of 0 hours in Year 2 and of 0 hours in Year 3.
Risks. HR time savings on managing employee onboarding and offboarding will vary depending on:
Results. To account for these risks, Forrester adjusted this benefit downward by 15%, yielding a three-year, risk-adjusted total PV (discounted at 10%) of nearly $97,000.
For , this benefit might have a three-year, risk-adjusted total PV of .
| Ref. | Metric | Source | Year 1 | Year 2 | Year 3 | |
|---|---|---|---|---|---|---|
| B1 | Employees onboarded or offboarded per year | CompositeComposite | 375375 | 375375 | 375375 | |
| B2 | HR time savings on each onboard/offboard from improved data integration and data transfer with API Central (hours) | CompositeScaled for | 1.51.5 | 2.02.0 | 2.52.5 | |
| B3 | Fully burdened hourly rate of HR staff | CompositeTEI case study | $62$62 | $62$62 | $62$62 | |
| Bt | HR time savings on managing employee onboarding and offboarding | B1*B2*B3 | $34,875 $34,875 | $46,500 $46,500 | $58,125 $58,125 | |
| Risk adjustment | ↓15% | |||||
| Btr | HR time savings on managing employee onboarding and offboarding (risk-adjusted) | $29,644 $29,644 | $39,525 $39,525 | $49,406 $49,406 | ||
| Three-year total: $118,575 $118,575 | Three-year present value: $96,734 $96,734 | |||||
Evidence and data. Interviewees shared that they used API Central to automatically pull and synchronize data across different systems, which streamlined reporting. The automated process also eliminated data errors that accompany manual data entry, leading to additional time savings for HR staff.
Modeling and assumptions. Based on the interviews, Forrester assumes the following about the composite organization:
has a 0-person HR team.
Each HR team member at might have devoted 0 hours per week to reporting.
By leveraging API Central’s reporting capabilities and eliminating data errors, might be able to reduce the amount of time spent on reporting by 40%.
Risks. The HR time savings on reporting will vary depending on:
Results. To account for these risks, Forrester adjusted this benefit downward by 10%, yielding a three-year, risk-adjusted total PV (discounted at 10%) of $80,000.
For , this benefit might have a three-year, risk-adjusted total PV of .
| Ref. | Metric | Source | Year 1 | Year 2 | Year 3 | |
|---|---|---|---|---|---|---|
| C1 | Size of HR team | CompositeComposite | 2020 | 2020 | 2020 | |
| C2 | Hours each HR team member devotes to reporting per month | CompositeScaled for | 66 | 66 | 66 | |
| C3 | HR reporting time savings from automatic aggregation of data and elimination of data errors | Interviews | 40%40% | 40%40% | 40%40% | |
| C4 | Fully burdened hourly rate of HR team member | B3 | $62$62 | $62$62 | $62$62 | |
| Ct | Time savings from automating HR reporting and eliminating data errors | C1*C2*C3*C4*12 months per year | $35,712 $35,712 | $35,712 $35,712 | $35,712 $35,712 | |
| Risk adjustment | ↓10% | |||||
| Ctr | Time savings from automating HR reporting and eliminating data errors (risk-adjusted) | $32,141 $32,141 | $32,141 $32,141 | $32,141 $32,141 | ||
| Three-year total: $96,422 $96,422 | Three-year present value: $79,929 $79,929 | |||||
Interviewees mentioned the following additional benefits that their organizations experienced but were not able to quantify:
| Ref. | Cost | Initial | Year 1 | Year 2 | Year 3 | Total | Present Value |
|---|---|---|---|---|---|---|---|
| Dtr | ADP API Central licensing costs | $0 $0 | $37,800 $37,800 | $37,800 $37,800 | $37,800 $37,800 | $113,400 $113,400 | $94,003 $94,003 |
| Etr | Labor costs for implementing API Central | $11,088 $11,088 | $0 $0 | $0 $0 | $0 $0 | $11,088 $11,088 | $11,088 $11,088 |
| Total costs (risk-adjusted) | $11,088 $11,088 | $37,800 $37,800 | $37,800 $37,800 | $37,800 $37,800 | $124,488 $124,488 | $105,091 $105,091 | |
Evidence and data. Interviewees reported that they incurred API Central licensing costs from ADP based on their employee count.
Modeling and assumptions. The composite incurs licensing costs of $36,000 per year. Pricing may vary. Contact ADP for additional details.
might incur licensing costs of $0 per year.
Risks. Licensing costs will vary depending on the number of employees at the organization.
Results. To account for these risks, Forrester adjusted this cost upward by 5%, yielding a three-year, risk-adjusted total PV (discounted at 10%) of $94,000.
For , this cost might have a three-year, risk-adjusted total PV of .
| Ref. | Metric | Source | Initial | Year 1 | Year 2 | Year 3 | |
|---|---|---|---|---|---|---|---|
| D1 | Total employees | CompositeComposite | 1,5001,500 | 1,5001,500 | 1,5001,500 | ||
| D2 | Per-employee per-month licensing costs | ADP pricing | $2.00$2.00 | $2.00$2.00 | $2.00$2.00 | ||
| Dt | ADP API Central licensing costs | D1*D2*12 months | $0 $0 | $36,000 $36,000 | $36,000 $36,000 | $36,000 $36,000 | |
| Risk adjustment | ↑5% | ||||||
| Dtr | ADP API Central licensing costs (risk-adjusted) | $0 $0 | $37,800 $37,800 | $37,800 $37,800 | $37,800 $37,800 | ||
| Three-year total: $113,400 $113,400 | Three-year present value: $94,003 $94,003 | ||||||
Evidence and data. While organizations have access to API Central immediately after purchasing it, interviewees reported that some employee time was required to prepare their team to use API Central, including time for meeting with ADP, configuring the APIs, setting up the security controls, and provisioning and training users. Most of the interviewees’ organizations were fully operational with API Central within a few weeks.
Modeling and assumptions. Based on the interviews, Forrester assumes the following about the composite organization:
might devote 0 IT employee to implementing API Central over the course of 15 days.
Risks. Total implementation costs will vary depending on:
Results. To account for these risks, Forrester adjusted this cost upward by 10%, yielding a three-year, risk-adjusted total PV (discounted at 10%) of $11,000.
For , this cost might have a three-year, risk-adjusted total PV of .
| Ref. | Metric | Source | Initial | Year 1 | Year 2 | Year 3 | |
|---|---|---|---|---|---|---|---|
| E1 | Length of implementation process (days) | Interviews | 1515 | ||||
| E2 | Employees involved in implementation process | CompositeScaled for | 11 | ||||
| E3 | Fully burdened hourly rate of IT | A6 | $84$84 | $84$84 | $84$84 | $84$84 | |
| Et | Labor costs for implementing API Central | E1*E2*E3*8 hours | $10,080 $10,080 | $0 $0 | $0 $0 | $0 $0 | |
| Risk adjustment | ↑10% | ||||||
| Etr | Labor costs for implementing API Central (risk-adjusted) | $11,088 $11,088 | $0 $0 | $0 $0 | $0 $0 | ||
| Three-year total: $11,088 $11,088 | Three-year present value: $11,088 $11,088 | ||||||
The financial results calculated in the Benefits and Costs sections can be used to determine the ROI, NPV, and payback period for the composite organization’s investment. Forrester assumes a yearly discount rate of 10% for this analysis.
These risk-adjusted ROI, NPV, and payback period values are determined by applying risk-adjustment factors to the unadjusted results in each Benefit and Cost section.
| Initial | Year 1 | Year 2 | Year 3 | Total | Present Value | |
|---|---|---|---|---|---|---|
| Total costs | ($11,088)($11,088) | ($37,800)($37,800) | ($37,800)($37,800) | ($37,800)($37,800) | ($124,488)($124,488) | ($105,091)($105,091) |
| Total benefits | $0 $0 | $102,609 $102,609 | $98,882 $98,882 | $95,155 $95,155 | $296,645 $296,645 | $246,492 $246,492 |
| Net benefits | ($11,088)($11,088) | $64,809 $64,809 | $61,082 $61,082 | $57,355 $57,355 | $172,157 $172,157 | $141,401 $141,401 |
| ROI | 135%135% | |||||
| Payback | <6 months<6 months | |||||
Total Economic Impact is a methodology developed by Forrester Research that enhances a company’s technology decision-making processes and assists solution providers in communicating their value proposition to clients. The TEI methodology helps companies demonstrate, justify, and realize the tangible value of business and technology initiatives to both senior management and other key business stakeholders.
Benefits represent the value the solution delivers to the business. The TEI methodology places equal weight on the measure of benefits and costs, allowing for a full examination of the solution’s effect on the entire organization.
Costs comprise all expenses necessary to deliver the proposed value, or benefits, of the solution. The methodology captures implementation and ongoing costs associated with the solution.
Flexibility represents the strategic value that can be obtained for some future additional investment building on top of the initial investment already made. The ability to capture that benefit has a PV that can be estimated.
Risks measure the uncertainty of benefit and cost estimates given: 1) the likelihood that estimates will meet original projections and 2) the likelihood that estimates will be tracked over time. TEI risk factors are based on “triangular distribution.”
The initial investment column contains costs incurred at “time 0” or at the beginning of Year 1 that are not discounted. All other cash flows are discounted using the discount rate at the end of the year. PV calculations are calculated for each total cost and benefit estimate. NPV calculations in the summary tables are the sum of the initial investment and the discounted cash flows in each year. Sums and present value calculations of the Total Benefits, Total Costs, and Cash Flow tables may not exactly add up, as some rounding may occur.
1 Total Economic Impact is a methodology developed by Forrester Research that enhances a company’s technology decision-making processes and assists solution providers in communicating their value proposition to clients. The TEI methodology helps companies demonstrate, justify, and realize the tangible value of business and technology initiatives to both senior management and other key stakeholders.
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