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Choose portfolio-management software by whether it can move the right data through your firm’s actual workflows—not by its connector count or API claims alone. Before comparing products, list your custodians, CRM and planning systems, trading tools, data providers, account types, required data fields, security needs, jurisdictions, and in-house technical capacity. Then test your most important connections with each shortlisted vendor.
This guide is for investment advisers and wealth-management firms. A retail portfolio tracker, an RIA platform, and an institutional multi-asset system have different integration needs; a product’s documented capability is not proof that it fits every firm or configuration.
Start with the data and workflows your firm needs
Write down what the software must receive, what it must send, and what staff need to do with the information. Include the systems on both ends of each connection: custodians, CRM, financial planning, trading or rebalancing tools, market-data providers, reporting destinations, and any internal applications.
For every connection, specify the relevant accounts, asset classes, data objects, and business task. “Integrates with our custodian” is not precise enough: the firm may need positions for reporting, transactions for reconciliation, or an operational workflow such as order routing. Those are different requirements.
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- Systems: Name each product, custodian, data source, and destination that must connect.
- Data: Identify the required accounts, holdings, securities, transactions, prices, benchmarks, reports, and other objects.
- Direction: Specify whether data must be imported, exported, or synchronized in both directions.
- Workflow: State whether the connection is for viewing and reporting or for an operational task such as rebalancing or trading.
- Constraints: Record geography, asset-class coverage, permissions, security expectations, and who will implement and maintain the connection.
Use this inventory to ask each vendor about the same concrete scenarios. FinFolio lists examples of connections across CRM, planning, custody data, market data, and trading; Schwab Advisor Services says integration capabilities vary by software provider and recommends confirming the exact features. A connector logo is not evidence of bidirectional synchronization or of the specific workflow your firm needs.
Check actual integrations, not just connector names
Ask for a current integration matrix that covers your specific systems and custodians. For each listed connection, have the vendor identify:
- Which data objects are supported and which are not.
- Whether data is read, written, or synchronized in both directions.
- Which workflows are included and whether any steps remain manual.
- How often data is updated and how errors or corrections are handled.
- Whether the connection is generally available or depends on your configuration, provider, or service arrangement.
Verify the answers in product documentation and a walkthrough using scenarios drawn from your own inventory. The word “integration” can describe anything from a reporting feed to an operational connection; ask the vendor to show the actual path data takes and what a user can do at each step.
Read the API documentation against your use cases
If your firm needs custom workflows or connections, review the API reference rather than relying on a marketing summary. Map each requirement to a documented operation and the data it returns or accepts. Depending on your use case, check for accounts and portfolios, positions, securities, transactions, prices, benchmarks, reports, users, and permissions. If you require rebalancing or trade operations, verify those separately rather than assuming that access to portfolio data enables them.
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Look for documentation that explains request and response formats, supported fields, permissions, error handling, and any limits or prerequisites. Ask whether there is a test environment and how the provider communicates API changes. Establish which team will build, monitor, and support custom connections before treating an endpoint as an operational solution.
What published API examples can—and cannot—tell you
FinFolio describes a REST API for reading and writing data, rebalancing, reporting, and imports, and also describes scheduled imports. Addepar’s developer overview identifies API areas including portfolio data and analytics, entities and ownership, transactions, benchmarks, historical prices, asynchronous jobs, users and permissions, reports, billing, and compliance. These descriptions show the kinds of capabilities documented by those providers; they do not establish that a particular endpoint, workflow, or implementation will suit your firm.
Sharesight documents a Connect API with permissioned read/write access, HTTPS, JSON or XML, and OAuth 1.0a. Treat these as product-specific details to evaluate in the relevant API reference, not a universal standard or a basis for comparing security without examining the surrounding controls.
Evaluate authentication, permissions, and data handling
For every connection that handles financial data, determine who authorizes access, how credentials or tokens are issued and revoked, and what scopes or roles limit access. Ask how data is protected in transit and at rest, how users and service accounts are managed, and how access is reviewed when staff or vendors change.
Sharesight documents owner-permissioned access, HTTPS, and OAuth 1.0a for its Connect API. Schwab describes secure connectivity and single sign-on (SSO) in its integration materials. These are examples of controls and connection approaches to inspect; they do not demonstrate that the products use identical controls or that one approach is universally superior. Request the details for the exact connection and deployment your firm would use.
Confirm source coverage, geography, and data freshness
For account aggregation and data feeds, confirm that the specific institutions and account types your clients use are supported. Check the fields and asset classes available, when information is refreshed, and what staff see if a connection is stale, incomplete, or corrected. A provider’s overall source count does not establish that a particular client account can connect or that its data will contain every required field.
Plaid describes investment-account data from institutions in the United States and Canada, including holdings, securities, and transactions. Morningstar ByAllAccounts’ developer hub states that it supports user-permissioned aggregation from 15,000+ sources and adviser aggregation from 1,200 institutional sources; these are vendor-published page claims accessed in 2026, not independently verified guarantees of support for any particular institution.
Have the vendor walk through a representative account from connection approval to the data appearing in the portfolio system. Ask how a failed or delayed feed is flagged and how corrected data flows through reports and downstream systems. These operational details matter as much as nominal source coverage.
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Separate reporting feeds from custody and trading workflows
Determine whether the integration is limited to data access or includes operational functions. Schwab’s integration materials distinguish API connections, SSO, daily data files, and trading integration, and describe capabilities such as account opening, money movement, orders, allocations, alerts, and service requests. Which features are available depends on the software provider, so confirm the exact capabilities for your setup.
Interactive Brokers documents a reporting data feed and integrations with third-party portfolio-management providers, and directs customers to contact the provider for details. Access to a reporting feed does not itself establish permission or capability to submit or execute trades. If trading is in scope, verify the complete workflow, required authorizations, and responsibilities with both the custodian and the software provider.
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Use a shared scorecard so that vendors answer the same questions. Record evidence from current documentation or a walkthrough, not just an overall “integration available” response.
| Comparison area | What to verify |
|---|---|
| Institution and system coverage | Are your required custodians, CRM, planning tools, trading systems, data providers, and destinations supported? |
| Data objects and direction | Which accounts, positions, securities, transactions, prices, benchmarks, and reports are available? Can the connection read, write, or sync each one? |
| API operations and authentication | Do documented endpoints cover your use cases, and are the authorization, permission, credential, and revocation models clear? |
| Freshness and exceptions | How often does data update, and how are stale feeds, missing fields, failed connections, and corrections surfaced and reconciled? |
| Custody and trading depth | Is the connection for reporting only, or does it include the specific operational functions, SSO, or trading workflows you require? |
| Geography and asset classes | Are your institutions, account types, jurisdictions, and assets covered at the field level you need? |
| Implementation and support | Who builds and monitors the connection? Is there usable documentation and a test environment? How are failures and API changes supported? |
| Permissions and exportability | Can access be appropriately limited and revoked, and can your firm export its data in a usable form? |
Do not reduce this comparison to raw connector counts. The cited provider materials describe materially different kinds of interfaces and capabilities; the useful question is whether a connection covers your firm’s required objects and workflow, with manageable operating responsibilities.
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Estimate the work of operating each connection
Integration costs are not just the initial build. Ask who owns setup, monitoring, reconciliation, exception handling, and vendor support. Confirm what happens if an API changes or a feed stops, how staff are notified, and whether your firm can export its data if it changes platforms.
FinFolio describes REST-based extensibility and scheduled imports; Addepar documents asynchronous jobs and platform operations. Those features do not establish implementation effort, staffing needs, or total cost for your firm. Obtain those details directly from each vendor and include ongoing maintenance in your comparison.
A practical validation process before you choose
- Build the inventory: List systems, custodians, accounts, asset classes, data fields, workflows, jurisdictions, security needs, and internal technical capacity.
- Mark must-have connections: Separate required integrations from useful extras, and describe the workflow and sync direction for each.
- Request vendor evidence: Ask for the current integration matrix and API documentation for your specific systems. Clarify availability and configuration dependencies.
- Trace representative data: In a vendor walkthrough or test environment, follow a relevant account and data object through the connection. Confirm what is visible, what can be written, and what happens when data is missing or late.
- Validate permissions and operations: Review authorization, access limits, credential revocation, support ownership, exception handling, and export options for the proposed setup.
- Record unresolved gaps: Identify manual workarounds, unsupported objects, uncertain coverage, and responsibilities that still need confirmation before making a selection.
There is no universal best integration profile for every adviser or wealth-management firm. The strongest fit is the platform whose verified connections, API operations, controls, and support model cover the firm’s actual workflows without leaving critical data or maintenance responsibilities unaccounted for.
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