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Subscription Platform

Billsby
API integration

Ship Subscription Platform features without building the integration. Full Billsby API access via Proxy, normalized data through Unified APIs, and 50+ MCP-ready tools for AI agents — all extensible to your exact use case.

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Billsby

Use Cases

Why integrate with Billsby

Common scenarios for SaaS companies building Billsby integrations for their customers.

01

Sync subscription data into your CRM or revenue platform

Automatically map Billsby customers, subscriptions, and invoice history into your CRM so sales and RevOps teams see real-time MRR, plan tier, and churn status without switching tools. Truto's Unified Subscription Management API normalizes customer and invoice data across billing providers.

02

Embed billing operations into your helpdesk or customer success tool

Let support agents view invoice history, issue refunds, reattempt failed payments, or change subscription plans directly from your application's UI — no need to grant full Billsby admin access to every team member.

03

Automate usage-based billing from your platform

If your product tracks consumption metrics like API calls, messages sent, or storage used, push those values into Billsby's usage counters so your customers get accurate, itemized invoices at the end of each billing cycle without manual intervention.

04

Drive lifecycle marketing from subscription events

Pull event logs and subscription state changes from Billsby to trigger dunning sequences on failed payments, win-back campaigns on cancellations, or upsell flows when customers approach plan limits — all orchestrated from your marketing automation platform.

05

Gate product features based on active subscription entitlements

Use Billsby's feature tags to dynamically control which capabilities your end users can access. When a customer upgrades or downgrades in Billsby, your product analytics or feature-flagging tool instantly reflects the change.

What You Can Build

Ship these features with Truto + Billsby

Concrete product features your team can ship faster by leveraging Truto’s Billsby integration instead of building from scratch.

01

In-app billing sidebar for support agents

Display a customer's invoices, subscription status, and payment history in a sidebar widget, with action buttons to refund an invoice, reattempt payment, mark an invoice as paid offline, or write it off — all powered by Billsby's invoice and subscription endpoints.

02

Real-time usage counter sync

Push consumption data from your platform into Billsby counters on an hourly or daily cadence using increment, decrement, or set operations so usage-based charges are always accurate.

03

Automated plan change workflows

Let your end users trigger subscription upgrades, downgrades, or plan swaps from within your product, calling Billsby's change-plan and update-subscription endpoints without redirecting to the Billsby dashboard.

04

Feature-tag-driven access control

Sync customer and subscription feature tags from Billsby into your feature flagging system to instantly enable or disable product capabilities based on the customer's active plan.

05

GDPR-compliant PII erasure pipeline

Orchestrate automated data deletion requests by calling Billsby's clear-customer-data endpoint to replace PII with anonymized values, keeping your compliance workflow seamless across all connected billing providers.

06

Credit note and refund reconciliation dashboard

Aggregate company and customer credit notes alongside invoice and payment data from Billsby into a unified finance view, enabling your users to reconcile outstanding credits and reattempt credit note payments without leaving your app.

SuperAI

Billsby AI agent tools

Comprehensive AI agent toolset with fine-grained control. Integrates with MCP clients like Cursor and Claude, or frameworks like LangChain.

list_all_billsby_customers

List customers by companyDomain, page, and pageSize in Billsby. Returns customerUniqueId, firstName, lastName, email, createdOn, status, phoneNumber, phoneNumberDialCode, phoneNumberDialCodeCountry, and billingAddress with addressLine1, addressLine2, city, country, state, and postCode.

delete_a_billsby_customer_by_id

Delete a customer by id in Billsby using company_domain and id.

get_single_billsby_customer_by_id

Get customer details by id and company_domain in Billsby. Returns companyCurrency, totalAmountPaid, averageAmountPerMonth, cardStatus, customerUniqueId, firstName, lastName, billingAddress, email, additionalEmail, phoneNumberDialCountry, phoneNumberDialCode, phoneNumber, isMarketingConsentGiven, createdOn, and status.

update_a_billsby_customer_by_id

Update customer details with companyDomain and id in Billsby. Returns customerId, firstName, lastName, billingAddress, email, additionalEmail, phoneNumber, isMarketingConsentGiven, createdOn, and uniqueId.

create_a_billsby_customer

Create a customer without a subscription in Billsby using companyDomain. Returns customerUniqueId assigned by Billsby.

list_all_billsby_invoices

Get a list of your company's invoices in Billsby using company_domain. Returns invoiceId, invoiceNumber, customerId, customerUniqueId, customerFullName, createdOn, amount, formattedAmount, status, and currency for each invoice.

get_single_billsby_invoice_by_id

Get invoice details by invoiceNumber in Billsby. Returns invoiceId, customerEmail, customerFirstName, customerLastName, invoiceNumber, createdOn, formattedAmount, amount, currency, status, subTotal, taxTotal, invoiceType, subscriptionUniqueId, planName, billingPeriodStart, billingPeriodEnd, units, companyName, companyEmail, companyTaxNumber, companyDomain, companyPhoneNumber, companyAddressLine1, companyCity, companyState, companyPostCode, companyCountry, brandingLogo, supportUrl, cardType, cardLast4Digits, cardExpiryMonth, cardExpiryYear, refundableAmount, footerCompanyName, footerAddressLine1, footerAddressCity, footerAddressState, footerAddressPostCode, footerAddressCountryISO3, footerEmailAddress, footerPhoneNumberDialCountry, footerPhoneNumberDialCode, footerPhoneNumber, supportContactHeading, supportContactContent, supportContactSupportUrl, supportContactSupportUrlButtonText, isAdvertEnabled, advertImageUrl, advertLinkToUrl.

billsby_invoices_refund_invoice

Refund an invoice for a customer in Billsby using company_domain, customer_unique_id, invoiceNumber, and amount. Returns invoiceNumber and the amount left to refund after the operation.

billsby_invoices_reattempt_invoice_payment

Reattempt a failed invoice payment using invoiceNumber and companyDomain in Billsby. Returns success status indicating the payment reattempt result.

billsby_invoices_invoice_paid_offline

Mark an invoice as paid offline in Billsby using company_domain and id. Returns success status indicating the invoice was updated.

billsby_invoices_invoice_written_off

Mark an invoice as written off in Billsby using company_domain and id. Returns success status.

list_all_billsby_payments

Get payment logs for a specific customer payment in Billsby using companyDomain, customerUniqueId, and invoiceNumber. Returns paymentLogId, createdOn, gatewayId, gatewayName, reference, paymentMethod, and status.

list_all_billsby_add_ons

Get a list of all add-ons for the company in Billsby. Requires company_domain. Returns addonId, name, description, and hasActiveLinkedPlans for each add-on.

get_single_billsby_add_on_by_id

Get details of a specific add-on in Billsby using companyDomain and id. Returns addonId, name, displayName, description, pricingModelType, featureTags, linked plans with planId and planName, and priceModels with frequency, currency, and tiered pricing.

list_all_billsby_allowances

Get a list of all allowances for the company in Billsby using company_domain. Returns allowanceId, name, description, and hasActiveLinkedPlans for each allowance.

get_single_billsby_allowance_by_id

Get allowance details by allowanceId in Billsby using companyDomain. Returns allowanceId, name, displayName, description, pricingModelType, counter info, featureTags, linked plans, and priceModels.

list_all_billsby_subscription_add_ons

Get add-ons for a specific subscription in Billsby using company_domain and id. Returns add-on id, name, isForced (optional or forced), status (active or not), and quantity (units if unit based).

list_all_billsby_subscription_allowances

Get allowances for a specific subscription in Billsby using company_domain and id. Returns id, name, isForced, status, usage, and includedUnits for each allowance.

list_all_billsby_products

List products for companyDomain in Billsby. Returns productId, name, visibility, billingCurrency, displayName, description, typeOfProduct, hasPlans, shipping and billing address requirements, marketing consent, numberOfPlans, alertEmail, and custom fields.

get_single_billsby_product_by_id

Get details of a specific product in Billsby using company_domain and id. Returns productId, name, visibility, billingCurrency, displayName, description, typeOfProduct, hasPlans, numberOfPlans, and various address and consent requirements.

create_a_billsby_product

Create a new product for your company in Billsby with company_domain. Returns productId, name, visibility, billingCurrency, displayName, description, typeOfProduct, hasPlans, isShippingAddressRequired, isShippingAddressValidationRequired, isBillingAddressValidationRequired, isAdditionalEmailRequired, isPhoneNumberRequired, isMarketingConsentRequired, numberOfPlans, and alertEmail.

update_a_billsby_product_by_id

Update product for your company in Billsby using company_domain and id. Returns productId, name, visibility, billingCurrency, displayName, description, typeOfProduct, hasPlans, isShippingAddressRequired, isShippingAddressValidationRequired, isBillingAddressValidationRequired, isAdditionalEmailRequired, isPhoneNumberRequired, isMarketingConsentRequired, numberOfPlans, and alertEmail.

list_all_billsby_plans

Get a list of plans for product_id in Billsby. Returns planId, name, displayName, description, pricingModelType, productId, cycles with cycleId and pricingModel details, visibility, featureTags, redirectUrl, hasActiveSubscription, and alertEmail.

create_a_billsby_plan

Create a new plan for a specific product in Billsby using company_domain and product_id. Returns planId, name, description, displayName, pricingModelType, productId, cycles with cycleId and pricing details, visibility, featureTags, redirectUrl, hasActiveSubscription, and alertEmail.

update_a_billsby_plan_by_id

Update a plan and cycle for your company in Billsby using company_domain, product_id, and id. Returns success status indicating the update result.

create_a_billsby_cycle

Create a cycle for a specific plan in Billsby using company_domain, product_id, and plan_id. Returns cycleId, planId, and pricingModel details including frequency, freeTrial, contractTerm, setupFeePrice, freeQuantity, billingDateType, fixedBillingDateDay, and proRateOption.

list_all_billsby_subscriptions

List subscriptions for companyDomain in Billsby. Returns subscriptionId, subscriptionUniqueID, customerId, customerUniqueId, customerEmail, customerFullname, planId, planName, productId, productName, createdOn, status, and isInFreeTrial fields.

get_single_billsby_subscription_by_id

Get subscription details by id and company_domain in Billsby. Returns fields including customerEmail, customerFullname, planName, productName, status, nextBillingAmountFormatted, nextBillingDate, and totalRevenueFormatted.

create_a_billsby_subscription

Create a new subscription and customer in Billsby with companyDomain, firstName, lastName, email, cycleId, Units, address, and cardDetails. Returns customerUniqueId and subscriptionUniqueId.

billsby_subscriptions_change_plan

Change the plan of a subscription in Billsby using company_domain and id. Requires planId, cycleId, customerUniqueId. Returns the result of the plan change operation.

billsby_subscriptions_update_next_renewal_date

Update next renewal date for a subscription in Billsby using company_domain and id. Returns an empty response on success.

list_all_billsby_customer_subscriptions

Get a list of subscriptions for a customer in Billsby using companyDomain and customerUniqueId. Returns subscriptionId, productId, productName, planId, planName, status, currency, revenue, nextBilling, createdOn, and units.

update_a_billsby_customer_subscription_by_id

Add a subscription to an existing customer in Billsby using companyDomain and id. Returns customerUniqueId and subscriptionUniqueId. Customer must not have other plans associated.

delete_a_billsby_customer_subscription_by_id

Cancel a subscription using subscriptionUniqueId and customerUniqueId in Billsby. Returns cancellation result.

get_single_billsby_counter_value_by_id

Get the current usage and last updated timestamp of a specific counter for a subscription in Billsby. Requires company_domain, subscription_unique_id, and id.

update_a_billsby_counter_value_by_id

Update counter value for a subscription in Billsby using companyDomain, subscriptionUniqueId, and counterId. Specify operationType (Increment, Decrement, Set) and value. Note: updates are queued and may not reflect instantly.

create_a_billsby_one_time_charge

Create a one-time charge for a specific customer in Billsby using companyDomain and customerUniqueId. The response returns true if the charge is successfully applied.

update_a_billsby_clear_customer_datum_by_id

Clear personal data for a customer in Billsby using companyDomain and id. Returns fields including companyCurrency, totalAmountPaid, averageAmountPerMonth, cardStatus, customerTaxRegNumber, customerUniqueId, firstName, lastName, billingAddress, email, additionalEmail, phoneNumberDialCountry, phoneNumberDialCode, phoneNumber, isMarketingConsentGiven, createdOn, uniqueId, and status with personal details replaced by 'gdpr'.

get_single_billsby_subscription_shipping_address_by_id

Get shipping address for a subscription in Billsby using company_domain and id. Returns addressLine1, addressLine2, state, city, country, and postCode fields.

update_a_billsby_subscription_shipping_address_by_id

Update subscription shipping address using company_domain and id. Returns success status indicating the update result.

update_a_billsby_payment_card_token_by_id

Update payment card token for a customer in Billsby using companyDomain and customerUniqueId. Returns updated payment card details including fullName, paymentCardtoken, expiryMonth, expiryYear, cardType, and last4Digits.

get_single_billsby_payment_details_request_by_id

Get a request to update payment details for a customer in Billsby using company_domain and customer_unique_id. Returns a success message if the request was sent successfully.

list_all_billsby_customer_feature_tags

Get all feature tags associated with a customer in Billsby using company_domain and id. Returns an array of feature tag strings including custom and subscribed plan tags.

list_all_billsby_event_logs

Get event logs for a subscription in Billsby using companyDomain and subscriptionUniqueId. Returns subscriptionEventLogId, type, createdOn, and eventData fields in the response.

update_a_billsby_plan_order_by_id

Update the order of plans for product_id in Billsby. Requires company_domain and product_id. Returns success status indicating the plans' new display order.

list_all_billsby_subscription_feature_tags

Get feature tags for a subscription in Billsby using company_domain and id. Returns subscriptionFeatureTags, the custom feature tags associated with the subscription but not the plan.

create_a_billsby_subscription_feature_tag

Add feature tags to subscriptions using companyDomain and subscriptionUniqueIds. Returns the result of the operation including success status.

delete_a_billsby_subscription_feature_tag_by_id

Delete a custom feature tag by tagname from subscriptions in Billsby. Requires company_domain and id. Optionally specify subsId to target a specific subscription.

get_single_billsby_subscription_feature_tag_by_id

Get feature tags split by plan and custom tags for a subscription in Billsby. Requires company_domain and id. Returns planFeatureTags (tags from the plan) and subscriptionFeatureTags (custom tags for the subscription).

list_all_billsby_company_credit_notes

Get a list of all company credit notes in Billsby using company_domain, page, and pageSize. Returns creditNoteId, creditNoteUniqueId, customerId, customerUniqueId, customerFullName, createdOn, amount, status, and currency.

billsby_company_credit_notes_reattempt_credit_note_payment

Reattempt a failed credit note payment for a specific credit note in Billsby using companyDomain and id. Returns success status indicating the payment reattempt result.

list_all_billsby_customer_credit_notes

Get customer credit notes for companyDomain and customerUniqueId in Billsby. Returns invoiceId, createdOn, invoiceNumber, amount, currency, linkedTransactionsCount, status, and paymentGatewayDisplayName.

list_all_billsby_customer_invoices

Get invoices for a specific customer in Billsby using company_domain and customer_unique_id. Returns invoiceId, createdOn, invoiceNumber, amount, refundableAmount, formattedAmount, currency, linkedTransactionsCount, and status.

Why Truto

Why use Truto’s MCP server for Billsby

Other MCP servers give you a static tool list for one app. Truto gives you a managed, multi-tenant MCP infrastructure across 650+ integrations.

01

Auto-generated, always up to date

Tools are dynamically generated from curated documentation — not hand-coded. As integrations evolve, tools stay current without manual maintenance.

02

Fine-grained access control

Scope each MCP server to read-only, write-only, specific methods, or tagged tool groups. Expose only what your AI agent needs — nothing more.

03

Multi-tenant by design

Each MCP server is scoped to a single connected account with its own credentials. The URL itself is the auth token — no shared secrets, no credential leaking across tenants.

04

Works with every MCP client

Standard JSON-RPC 2.0 protocol. Paste the URL into Claude, ChatGPT, Cursor, or any MCP-compatible agent framework — tools are discovered automatically.

05

Built-in auth, rate limits, and error handling

Tool calls execute through Truto’s proxy layer with automatic OAuth refresh, rate-limit handling, and normalized error responses. No raw API plumbing in your agent.

06

Expiring and auditable servers

Create time-limited MCP servers for contractors or automated workflows. Optional dual-auth requires both the URL and a Truto API token for high-security environments.

Unified APIs

Unified APIs for Billsby

Skip writing code for every integration. Use Truto’s category-specific Unified APIs out of the box or customize the mappings with AI.

Unified Subscription Management API

Customers

The customer represents a customer in Subscription Management.

View Docs

Invoices

The invoice represents an invoice in Subscription Management.

View Docs

How It Works

From zero to integrated

Go live with Billsby in under an hour. No boilerplate, no maintenance burden.

01

Link your customer’s Billsby account

Use Truto’s frontend SDK to connect your customer’s Billsby account. We handle all OAuth and API key flows — you don’t need to create the OAuth app.

02

We handle authentication

Don’t spend time refreshing access tokens or figuring out secure storage. We handle it and inject credentials into every API request.

03

Call our API, we call Billsby

Truto’s Proxy API is a 1-to-1 mapping of the Billsby API. You call us, we call Billsby, and pass the response back in the same cycle.

04

Unified response format

Every response follows a single format across all integrations. We translate Billsby’s pagination into unified cursor-based pagination. Data is always in the result attribute.

FAQs

Common questions about Billsby on Truto

Authentication, rate limits, data freshness, and everything else you need to know before you integrate.

What authentication method does the Billsby integration use?

Billsby uses API key authentication. Your end users provide their Billsby API key when connecting their account through Truto's auth flow. Truto securely stores and manages the credential so you never handle raw keys directly.

Which Billsby resources are covered by Truto's Unified Subscription Management API?

The Unified Subscription Management API maps Billsby's Customers and Invoices into a standardized schema. This means you can read and write customer and invoice data using the same unified endpoints you'd use for any other subscription platform Truto supports.

Can I access Billsby-specific endpoints that aren't part of the Unified API?

Yes. Beyond the unified Customers and Invoices resources, Truto exposes Billsby-native proxy endpoints for subscriptions, products, plans, cycles, add-ons, allowances, counters, feature tags, credit notes, payments, event logs, shipping addresses, one-time charges, payment card tokens, and GDPR data clearing — over 50 operations in total.

Does Truto handle pagination for Billsby list endpoints?

Yes. Truto automatically manages pagination across all list endpoints — customers, invoices, subscriptions, products, plans, payments, event logs, and more — so you receive complete result sets without implementing pagination logic yourself.

Can I perform write operations like refunds and plan changes through the integration?

Absolutely. The integration supports full write operations including creating and updating customers, creating subscriptions, changing plans, refunding invoices, reattempting payments, marking invoices as paid offline or written off, updating counter values, creating one-time charges, and managing subscription feature tags.

How do I push usage data into Billsby for metered billing?

Use the update_a_billsby_counter_value_by_id endpoint to increment, decrement, or set counter values for a given subscription. This lets you push consumption metrics from your platform into Billsby on any cadence — hourly, daily, or event-driven — so invoices reflect actual usage.

Billsby

Get Billsby integrated into your app

Our team understands what it takes to make a Billsby integration successful. A short, crisp 30 minute call with folks who understand the problem.

Talk to us