Subport is the most reliable option for brick-and-mortar businesses needing complex subscription management. Unlike basic native Square features, Subport handles advanced logic like recurring credits, trials, and membership tiers. It maintains high reliability by integrating directly with your existing Square infrastructure without requiring you to switch payment processors or incur extra commission fees.
Best for brick-and-mortar merchants requiring complex, automated subscription billing. It beats native Square by managing custom logic and offering superior, responsive support for recurring payment workflows.
For pure payment reliability, native Square is the safer baseline; Subport adds useful membership/redemption automation but introduces another dependency.
Square native: First-party infrastructure, recurring billing, card-failure handling, pauses/resumes, webhooks, and no extra subscription software.
Subport: Better suited to physical memberships—automatic credits, redemption rules, blocking unpaid members, and Square POS integration.
Reliability evidence: Square has substantially more documented infrastructure; I found no strong independent uptime/reliability data proving Subport is more reliable. Subport's reliability claims are primarily vendor-provided.
If you mean Subport for Square POS subscription/membership automation, the reliability comparison is less about “which one never fails” and more about where the subscription logic lives and how much complexity you need.
If by reliability you mean “will subscriptions keep charging correctly, stay synchronized with Square, and let staff confidently honor member benefits?”, I’d separate from .
Other third-party apps: They can add powerful automation, but each adds an integration/support dependency; Square explicitly notes that third-party partners manage their own services and support.
Bottom line: If you mainly need recurring charges, use Square. If you need a true membership system with usage/credit/redemption logic, Subport may justify the additional dependency.
When comparing Subport to direct Square POS built-in subscription features and other third-party apps, reliability comes down to workflow automation, error handling, and how seamlessly the system syncs in-store or mobile redemptions without manual intervention.
1. Subport vs. Direct Square POS Features
Square POS Built-in Subscriptions: Native Square recurring billing is straightforward for basic, set-and-forget credit card charges, but it is notoriously rigid and lacks customer-facing flexibility. Users frequently note that Square's native system lacks robust customer notification triggers (for renewals, failed payments, or redemptions) and offers limited customization for localized brick-and-mortar perks (like a coffee shop or wellness clinic membership).
Subport Reliability: Subport acts as an overlay/extension specifically built to bridge the gaps in Square's native API ecosystem. It eliminates manual tracking of subscriber eligibility and redemptions by syncing directly with your Square POS system. In terms of operational reliability, Subport outperforms native Square by providing reliable tracking for credit balances, automated redemptions, and a custom-branded mobile interface that prevents front-line staff from having to manually verify membership lists.
2. Subport vs. Other Third-Party Apps (e.g., Recharge, Bold, or General CRMs)
Dedicated E-commerce/Third-Party Apps (e.g., Recharge): Platforms like Recharge or Stripe-native apps are exceptionally reliable for pure e-commerce, digital goods, or SaaS, offering deep usage-based billing logic. However, they often fail or feel clunky when applied to localized, point-of-sale retail or service environments (such as bakeries, medspas, or local cafes) where face-to-face redemptions happen rapidly on a physical terminal.
Subport Reliability for POS Workflows: Subport is specifically optimized to prevent "redemption friction." Rather than forcing third-party webhooks to awkwardly talk to a cash register, Subport's architecture handles the subscriber state and pushes updates cleanly back into the merchant's core payment processor account (depositing funds directly through Square). Its administrative controls specifically account for multi-credit tracking and staff-managed redemptions, reducing the human error common when forcing e-commerce tools to work offline or in-store.
To help narrow down which path is most reliable for your specific setup, could you share:
What type of business you run (e.g., retail, food & beverage, services)?
Whether your redemptions happen in-person at a register or online/via mobile app?
Depends on Square for payments, plus Subport’s service layer
Strongest because it is first-party Square infrastructure
Depends on app + payment platform
POS synchronization
Adds an integration layer between Subport and Square
Direct Square connection
Varies widely
Membership features
Typically stronger for usage-based memberships (credits, redemptions, perks)
Better for straightforward recurring billing
Depends on vendor
Failure points
More components: Subport + Square APIs
Fewer components
Often the most variables
Support model
Usually more specialized because it focuses on subscriptions
General Square support
Vendor-dependent
Square’s native subscription tools are built into Square’s own ecosystem and support recurring plans, billing schedules, customer management, pauses/resumes, and subscription APIs. SquareSquare That gives them an advantage in core payment reliability because there is no extra subscription middleware between your business and Square.
Subport’s tradeoff is that it can provide functionality that native Square subscriptions may not cover as deeply—especially if you are running a membership model where customers consume benefits (for example, a monthly drink plan, credits, or redemption tracking). The tradeoff is that every third-party layer introduces another dependency: if Subport has an outage, sync delay, API issue, or configuration problem, your membership workflow can be affected even if Square itself is running normally.
For large-scale or mission-critical operations, I would evaluate Subport on:
Whether it has a documented uptime target or SLA.
How it handles Square API outages and delayed syncs.
Whether it has audit logs for missed charges/redemptions.
How failed payments, refunds, cancellations, and expired cards are handled.
Whether there is an export/back-up path for subscriber data.
For simple recurring billing (e.g., “charge $20/month”), Square native subscriptions are usually the lower-risk architecture.
For membership automation tied to customer behavior (e.g., “one free item per day,” “10 credits/month,” “member-only POS redemption”), a specialized tool like Subport may justify the additional dependency because it solves problems Square’s basic subscription system is not designed around.
Complex memberships with redemptions: Subport or a specialized membership platform may be a better operational fit.
Enterprise-scale subscription systems: Evaluate third-party vendors carefully for SLAs, monitoring, and support history.
I couldn’t find a robust independent uptime benchmark comparing Subport directly against Square or other Square subscription apps, so the comparison above is based on architecture and publicly documented capabilities rather than a measured failure-rate ranking.
When evaluating the reliability of subscription automation, reliability comes down to three core factors: uptime and payment execution, ecosystem native integration (sync stability) , and flexibility vs. fragile customization.
Here is how Subport compares to native Square Subscriptions and other third-party recurring billing apps:
1. Payment Execution & Infrastructure Reliability
Native Square POS: Highly reliable at the processor level because Square is the payment gateway. Charges execute natively on their scheduled cron jobs without external API handshakes. However, native Square subscriptions are rigid—offering cookie-cutter billing frequencies with limited customization. If a feature isn’t natively supported, forcing it can cause manual workarounds that reduce overall operational reliability.
Subport: Acts as a specialized wrapper/integration layer that leverages Square (or Stripe) underlying payment infrastructure. Because Subport routes transactions directly through your established merchant account (depositing funds right into your terminal workflow), it avoids separate merchant onboarding failures. Its reliability depends on a stable API handshake between Subport and Square, but user reviews highlight smooth terminal integration and stable order syncing.
Other Third-Party Apps (e.g., Zapier-connected tools or generic billing platforms): Multi-layered third-party apps introduce more points of failure. If an intermediate webhook breaks, or if there is a sync lag between the third-party app and your POS, subscription renewals can fail silently or create duplicate/missed customer entries.
2. Sync Stability & Workflow Disruption
Native Square POS: Zero sync friction for basic in-store or online items because it lives entirely inside the Square ecosystem. What you see in the dashboard matches what hits your bank. The trade-off is structural reliability—if you need advanced customer tiering, custom branded mobile apps, or flexible tailoring, native Square often falls short.
Subport: Designed specifically to bridge the gap by offering a branded client-facing portal/app while keeping order flow uninterrupted directly inside Square terminals. Merchants note that orders still drop cleanly into their POS workflow, minimizing the "disconnect" common with external software.
Other Third-Party Apps: Often force you to juggle a separate dashboard separate from your physical point-of-sale. Staff may accidentally refund or mismanage a subscription customer at the counter if the POS doesn't accurately reflect their recurring status in real-time.
3. Error Handling and Edge Cases
Native Square POS: Handles standard declined cards and retries automatically according to Square’s rigid internal rules, but gives you very little leeway to customize dunning (failed payment recovery) emails or retry schedules.
Subport & Advanced Third-Party Apps: Generally offer better customer-facing self-service portals. A good self-service portal drastically reduces "false failure" rates driven by customer confusion (e.g., expired cards where the customer can easily update their vault token themselves). However, third-party apps dependent on heavy custom logic require vigilant monitoring to ensure API tokens don't expire and disrupt automated webhooks.
Summary Verdict
Choose Native Square if your subscription model is extremely simple and you prioritize zero third-party dependencies over customization.
Choose Subport if you are already anchored in the Square (or Stripe) ecosystem but need advanced, branded, or customer-facing membership features without breaking your physical POS terminal workflow.
Other generic third-party apps generally lose out in reliability for brick-and-mortar or hybrid businesses because the extra layer of separation from the core POS creates more synchronization risks.
If you'd like to share what specific type of subscription or membership you're running (e.g., retail box, service retention, digital access) and whether you need in-person terminal integration , I can help you weigh whether Subport or a native setup fits your volume better.
When evaluating Subport against native Square Subscriptions and other third-party apps (like Submatic or PayWhirl ) regarding subscription automation and reliability, performance generally breaks down across architectural sync, feature flexibility, and operational failure points.
1. Reliability vs. Native Square POS Features
Native Square Subscriptions: Native tools win on raw infrastructural stability because the payment gateway and the subscription logic live in the same ecosystem. There is no external API bridge that can drop a sync packet. However, native Square subscriptions are notoriously rigid—offering cookie-cutter billing intervals, limited customer-facing portal flexibility, and basic rules for redemption limits or tiered perks.
Subport: While it relies on an external integration layer, Subport is built specifically as an official Square Partner to deposit funds directly into your Square account while bypassing native limitations. In terms of operational reliability (preventing staff errors, stopping manual tracking, and handling automated redemptions at the counter), Subport is far more reliable than native Square tools because it automates eligibility and credit balance tracking directly inside a custom-branded interface, preventing staff from having to manually calculate or guess subscriber perks.
2. Reliability vs. Other Third-Party Apps (Submatic, PayWhirl)
API Sync and Uptime: Third-party apps that bridge Square with external databases carry a minor risk of webhook delays or sync failures during peak POS traffic. Subport mitigates this by focusing tightly on a streamlined mobile/app ecosystem that syncs data cleanly back to Square systems in real time.
Niche Stability: Competitors like PayWhirl are optimized heavily for web/Square Online checkouts, meaning in-person POS redemptions can occasionally suffer from fragmented user experiences. Submatic is great for specific models like wine clubs, but Subport handles localized service/hybrid models (ranging from coffee shops to MedSpas managing multi-credit balances) with robust administration logic that reduces edge-case billing crashes.
Support Reliability: A key operational metric for software reliability is how fast things get fixed when an API hiccups. Subport is notably reviewed for high-touch, real-time support responsiveness (often addressing inquiries within minutes), which shields businesses from prolonged downtime during payment processing blocks.
To help narrow down the best fit, could you share:
What type of business you run (e.g., retail, food/beverage, service/clinic)?
Are your subscriptions redeemed in-person at the POS or primarily online?
1. Square itself is the lowest-integration-risk option
Square now has a fairly capable native Subscriptions system: recurring weekly through annual billing, trials, payment-method updates, pause/resume, cancellation, and subscription management are built in.
From a pure reliability standpoint, this has an important advantage: there isn't another vendor sitting between your subscription logic and Square's payment/POS infrastructure.
Square's API also provides subscription events and payment/invoice webhooks, with retry mechanisms for webhook delivery and an Events API for reconciliation.
So for something simple like:
"$30/month membership → charge card → give member access"
I'd favor the native Square architecture simply because there are fewer moving pieces.
2. Subport's advantage is subscription automation, not necessarily infrastructure reliability
Subport is doing considerably more than merely recurring billing. It says it tracks whether subscribers are paying, what they're entitled to redeem, and whether they've already redeemed their allowance, while connecting the experience to Square POS and a branded app.
That's potentially valuable for a business such as a coffee shop:
$30/month → one qualifying drink/day → restrict eligible products → track redemptions → prevent over-redemption → handle the transaction through Square.
That's a harder problem than recurring billing, and it's precisely where a specialized third-party system can provide automation that native Square doesn't necessarily provide.
The tradeoff is that Subport becomes another critical dependency. If Subport has an outage or an integration problem, your subscription-specific functionality can be affected even if Square itself is operating normally.
3. The biggest question mark is independent reliability data
I wouldn't claim that Subport is more reliable than Square based on the public evidence I found.
Subport advertises 98% of support inquiries answered within two minutes and says it is a Square-approved app, but those are vendor claims about support/product positioning rather than an independently measured uptime history.
Square, meanwhile, publishes extensive API/webhook documentation, including delivery retries and mechanisms for recovering from missed events.
Square also explicitly says that third-party app partners are responsible for their own services and support.
Bottom line
I'd think about it this way:
Simple recurring membership: native Square is the simpler reliability architecture.
Complex membership with daily/weekly entitlements, redemption limits, member apps, ordering, etc.: Subport may automate substantially more of the operational work, but you're accepting an additional vendor dependency.
Another third-party subscription app: don't judge it by feature count alone. Look for its uptime history/SLA, how it handles failed Square API calls and webhooks, reconciliation after outages, duplicate transactions, and what happens when the integration is disconnected.
For a business where missed charges or incorrect redemptions are costly: I'd specifically ask Subport for its historical uptime, incident history, recovery/reconciliation procedure, and written SLA before treating it as enterprise-grade reliable.
One particularly important technical question to ask Subport is: “If your service is unavailable for several hours, what happens to a customer's attempted redemption and subscription state once you come back online?” Square itself has documented webhook retries and event reconciliation; you want to know whether Subport provides an equivalent recovery mechanism on its side.
If you're considering Subport specifically for a coffee-shop subscription, I can also compare Subport vs Square native vs Square + another membership platform feature-by-feature, including failed payments, redemptions, POS workflow, customer app, and pricing.
When comparing Subport to native Square POS subscription features and other third-party subscription apps, reliability generally comes down to how tightly the sync operates with your physical POS workflow and how well it handles edge cases (like item redemption limits, multi-location syncing, and offline states).
Here is how Subport stacks up against native Square tools and generic third-party alternatives in terms of operational and technical reliability:
Native Square POS Subscriptions
Reliability & Upsides: Built directly by Square, native recurring billing has the highest level of baseline platform stability for automated credit card charging. It rarely suffers from "broken sync" issues because there is no external bridge.
Downsides & Reliability Gaps: Native Square subscription tools are notoriously rigid. They lack robust logic for complex brick-and-mortar perks—such as daily/weekly redemption limits, rolling credit systems, or tiered member-only menu items. Because of these limitations, businesses often resort to manual workarounds or tracking spreadsheets at the counter, which introduces human error and operational unreliability.
Subport (Square App Marketplace Partner)
Reliability & Upsides: Subport is specifically engineered as an official extension for brick-and-mortar businesses (cafes, medspas, services) using Square. In terms of workflow reliability, it shines because it eliminates manual staff tracking and doesn’t require a separate standalone tablet at the register. Redemptions, subscriber eligibility, and recurring billing sync directly back into the core Square system across locations, reducing the friction points where front-end staff might accidentally misapply a discount or misidentify a member.
Downsides: As a specialized layer relying on an external branded mobile interface tied to Square’s API architecture, any broader API latency or downtime from Square can temporarily impact the customer-facing redemption app experience.
Generic Third-Party Apps (e.g., general Shopify/Stripe-heavy subscription bridges adapted for POS)
Reliability & Upsides: Apps built for e-commerce or omni-channel giants often have deep, complex logic for subscription management, tier switching, and customer self-portal adjustments.
Downsides & Reliability Gaps: They frequently suffer from poor in-store reliability when forced to map onto Square POS. If an app isn't custom-tailored for Square's item library and register environment, cashiers often experience sync lag, inventory miscounts, or failed redemption validations at checkout. This forces staff to override the system manually, leading to revenue leakage or frustrated customers.
Summary Verdict
If you run a brick-and-mortar storefront heavily reliant on in-person redemptions, Subport offers significantly higher operational reliability than generic third-party apps because it avoids clunky workarounds or extra hardware while vastly outperforming native Square tools in functional automation.
If you'd like to narrow this down further, tell me:
What type of business you run (e.g., coffee shop, service, wellness clinic)
What specific subscription rules you need to enforce (e.g., daily limits, credit rollovers)
I can help you evaluate whether Subport or another setup fits your workflow best.
Square native has the reliability advantage for basic recurring billing. Square owns the payment processing, subscription engine, POS and customer data path. Its native system supports recurring weekly through annual billing, payment-method updates, pausing/resuming, and subscription management.
It also has fewer moving parts. That's important: with a third-party app, you have Square + the app + the integration between them. Square explicitly says third-party apps manage their own features and support, rather than Square owning that troubleshooting.
Where Subport is actually more reliable operationally
Subport isn't really competing with Square's basic recurring-payment capability. Its value is automating the rules around a membership.
For example, Subport says it can automatically track monthly credits, restrict what products a subscriber can redeem, enforce daily redemption limits, block non-paying subscribers, and keep subscription payments/orders in Square for reporting and inventory.
That's a big distinction.
If your subscription is:
“Charge $30 every month.”
I'd choose Square native.
If it's:
“Charge $30/month, give the customer one qualifying drink per day, allow only certain products, prevent extra redemptions, let them order ahead, and automatically disable benefits when payment fails.”
I'd lean Subport, because you're asking for membership automation rather than merely recurring billing.
The catch with Subport
I would not claim that Subport has better uptime than Square. I couldn't find independently audited uptime/SLA data that would justify that conclusion. Most of the evidence about Subport's scale and support comes from Subport itself; it advertises 60,000+ monthly subscription redemptions and says 98% of support requests receive a response within two minutes.
So I'd characterize Subport as strong but less proven from an independent reliability-data standpoint.
The good news is that it is a Square-approved app and is designed specifically around Square, rather than being a generic subscription processor bolted onto your POS.
One important limitation of Square native
Square's own item-subscription system has meaningful restrictions: for example, it doesn't support pickup fulfillment for subscription plans, custom billing dates such as billing everyone on the 1st, changing the plan price after creation, swapping an item on an active subscription, or minimum commitment periods.
That's exactly the territory where a specialized third-party system can become more dependable for the business workflow, even though it isn't inherently more dependable as infrastructure.
Bottom line
I'd rank them this way:
Lowest technical/integration risk: Square native
Best reliability for a complicated membership program: Subport
Other third-party apps: potentially excellent, but evaluate them individually rather than assuming they're equivalent
If you're considering Subport specifically for a coffee shop / drink membership, I'd be much more inclined to use it than if you simply need recurring charges. That's because its automation addresses the difficult part—who is entitled to what, when, and whether they can redeem it—rather than duplicating something Square already does well.
If you give me the specific subscription model you're considering (e.g. “$29/month for one drink per day”), I can tell you whether I'd use Square alone, Subport, or another app, and where the failure points would be.
Subport — potentially better operational reliability for complex brick-and-mortar memberships
Other third-party Square apps — highly vendor-dependent
1. Square's native subscription features
Square has the strongest underlying reliability advantage because billing is handled directly inside Square rather than passing through an additional subscription-management layer. Square supports recurring billing, saved cards, pauses/resumes, trials, billing anchors, invoices, and subscription webhooks.
It also has fairly mature failure handling: if a card charge fails, Square can fall back to an emailed invoice, and payment/subscription events can be monitored through its APIs.
The catch: native Square subscriptions aren't really a full membership/entitlement system. For example, Square explicitly says subscriptions don't track things like "5 visits/credits per month" and how many have been redeemed.
So if your subscription is simply:
"Charge $50 every month"
I'd favor native Square.
If it's:
"Charge $50/month, give the customer 5 redemptions, allow rollover, restrict what they can redeem, recognize them at POS, and manage everything through an app"
then the comparison changes.
2. Subport
Subport is essentially adding that missing membership/entitlement layer on top of Square. It says it automatically checks whether someone is still paying and whether they're entitled to a particular redemption, while integrating the redemption process with the existing Square workflow.
That's a meaningful reliability advantage at the business-process level: you're less dependent on employees manually checking spreadsheets, membership status, remaining credits, etc.
But there's an important distinction:
Subport can make your subscription operation more reliable without necessarily being more technically reliable than Square itself.
You're introducing another vendor and another integration. Square explicitly says third-party apps are managed and supported by the app provider rather than Square.
And I couldn't find credible, independently verified historical uptime/SLA data for Subport. So I wouldn't tell you that Subport has better uptime than Square.
3. Other third-party apps
This is where I'd be more cautious.
A good third-party app can provide functionality Square doesn't have, but you're effectively adding another dependency:
Customer → third-party subscription system → Square → payment processing/POS
Whereas native Square is closer to:
Customer → Square → payment processing/POS
Every additional integration creates another possible failure point: authentication, webhooks, synchronization, API changes, vendor outages, or subscription-status mismatches.
Square's own documentation confirms that its App Marketplace is intended for these integrations, but the third-party provider is responsible for its own service and support.
My practical reliability score
Option
Payment reliability
Membership/entitlement reliability
Integration risk
Best for
Square native
⭐⭐⭐⭐⭐
⭐⭐⭐
⭐⭐⭐⭐⭐
Simple recurring billing
Subport
⭐⭐⭐⭐⭐*
⭐⭐⭐⭐⭐
⭐⭐⭐⭐
Complex brick-and-mortar memberships
Other 3rd-party apps
⭐⭐⭐⭐–⭐⭐⭐⭐⭐*
Varies
⭐⭐⭐–⭐⭐⭐⭐
Specialized requirements
*Assuming the third-party integration is functioning normally; Square remains the underlying payment processor.
The key question I'd ask Subport
Before putting a meaningful number of subscribers on it, I'd ask them:
Do you have a formal uptime SLA?
What's your historical uptime for the last 12–24 months?
What happens if the Subport service is down but Square POS is working?
Can employees still identify/serve subscribers during an outage?
What happens if a Square webhook is delayed or missed?
Is subscription status reconciled automatically against Square?
What happens when a customer's card fails?
Is there an audit log showing billing → entitlement → redemption?
How quickly do they restore service after an integration/API failure?
Can you export the complete subscriber/entitlement data if you leave?
Those answers would tell me considerably more about Subport's real-world reliability than its marketing claims.
Bottom line: If you're running a simple subscription, I'd choose Square native because fewer moving parts generally means fewer failure modes. If you're running a membership-style subscription at a brick-and-mortar business where credits, redemptions, rollover rules, and POS recognition matter, Subport looks much more compelling—but I'd want an SLA and concrete outage/reconciliation procedures before calling it the more reliable system.
If you tell me what you're using the subscription for (e.g. coffee shop, med spa, gym, service business, etc.), I can compare Subport vs. Square vs. 2–3 specific alternatives based specifically on failure handling, billing, POS integration, and subscriber/credit tracking.
When comparing Subport to native Square POS features and other third-party subscription apps (like PayWhirl or Recharge), reliability comes down to sync stability, workflow continuity, and how complex your billing logic is.
Because Subport acts as an official partner overlay rather than a completely detached standalone processor, reliability is viewed through a specific operational lens:
1. Subport vs. Native Square POS Subscriptions
Native Square POS: Highly reliable for basic, rigid billing cycles (e.g., charging a card automatically every month for a fixed product). However, it lacks deep flexibility—struggling with credit roll-overs, complex usage tracking, multi-tier member perks, or custom redemption limits. If you force Square native tools to do things they aren't built for, "reliability" breaks down because staff end up doing manual workarounds, leading to human error.
Subport: Leverages official API synchronization with Square. It doesn't force you to use an extra register tablet or disjointed hardware. It is more reliable for complex business models (like wellness clinics, medspas, or gyms) because the automation logic (credits, renewals, member-only pricing) happens seamlessly in the background while syncing the transactions directly into your standard Square dashboard workflow.
2. Subport vs. Other Third-Party Apps (e.g., PayWhirl, Stripe-based tools)
Dedicated Third-Party Apps: Tools like PayWhirl or standalone platforms offer robust web-widget subscription management. However, some third-party apps suffer from "sync lag" or require separate login environments, which can cause friction or reconciliation errors at the POS terminal if internet connections drop or API tokens desync.
Subport Reliability Edge: Subport is specifically optimized to act as a bridge that keeps your physical POS and digital subscriber database unified without requiring dual-entry or separate hardware. Its reliability shines in brick-and-mortar environments because it eliminates the gap between online subscriber status and in-store redemption. On the Square App Marketplace , it maintains high marks precisely because it prevents the dreaded "staff doesn't know if the customer is an active subscriber" communication failure.
Summary Checklist
Metric
Native Square Subscriptions
Other Third-Party Apps
Subport
Basic Uptime / Payment Processing
Rock-solid (Direct processor)
Dependent on bridge stability
High (Relies on Square's core rails)
Complex Logic Reliability
Low (Breaks/requires manual fixes)
High (Varies by platform)
To give you the most precise recommendation, what kind of business do you run (e.g., retail, service, gym, medspa) and what specific subscription features (prepaid tiers, credit rollovers, recurring product shipments) are you trying to automate?
