Buildium API
Agent-ready OpenAPI document · curated by JenticFinanceAccountingapiKey326 EndpointsREST
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For Agents
Manage rental properties, leases, tenants, owners, vendors, bills, bank accounts, and the full Buildium accounting ledger across 326 endpoints.
Use for: I need to create a new rental property in Buildium, List all active leases for a specific rental property, Record a vendor bill against a property's accounting ledger, Find tenants whose lease ends in the next 30 days
Not supported: Does not handle online rent payment processing, listing syndication to portals like Zillow, or background screening - use for property records, leases, accounting, and communications inside Buildium only.
Jentic maintains a validated, agent-ready OpenAPI specification for Buildium API. Buildium is a property management platform from RealPage that handles rental properties, homeowner associations, leases, tenants, owners, vendors, maintenance work orders, communications, and a full accounting ledger. Across 326 endpoints the API exposes every record an operator touches in the dashboard, from lease transactions and bill payments to applicant pipelines and bank reconciliations. Use it to sync Buildium with custom landlord portals, push financial data into BI, automate tenant onboarding, or drive maintenance scheduling.
Install Jentic One Beta
Connect the Buildium API to your agent
Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the Buildium API, or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.
Two steps, two machines. Install the instance in a safe environment, then register your agent from wherever it runs.
1
Step 1: Jentic One Host machine
# On the machine that will host your Jentic One instance:
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fbuildium.com%2Fbuildium" | sh2
Step 2: Agent machine
# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fbuildium.com%2Fbuildium" | sh
jentic register # connects your agent to your Jentic One instanceJentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.
Capabilities
What an agent can do with Buildium API.
List, create, and update rental properties, units, and homeowner associations
Manage the lease lifecycle including applicants, leases, lease transactions, and renewals
Record bills, vendor payments, and ownership account transactions on the accounting ledger
Reconcile bank accounts and post general ledger entries
Send and read tenant communications, attach files, and manage announcements
Track maintenance work orders, tasks, and recurring service items
Read tenant, owner, and applicant records with their full transaction history
Use Cases
Patterns agents use Buildium API for, with concrete tasks.
★ Owner Statement Automation
Generate monthly owner statements without exporting CSVs from the dashboard. The agent walks owners and ownership account transactions endpoints to assemble income, expenses, and ending balances per property, then formats a PDF and emails it. Buildium's general ledger endpoints let you reconcile the totals against the bank account before sending.
For each owner, list ownership account transactions in the previous calendar month, total by category, and email the owner a PDF statement attached.
Tenant Lifecycle Sync
Mirror tenants, leases, and applicants from Buildium into a CRM or custom resident portal. The lease endpoints expose start dates, end dates, rent amounts, and balances, while the applicant endpoints expose the rental pipeline. A nightly job can pull updated records and upsert them into the downstream system, keeping the customer-facing app aligned with Buildium as the source of truth.
Pull every lease updated in the last 24 hours, upsert into Salesforce keyed on lease ID, and flag any with end dates inside 30 days for renewal outreach.
Maintenance Dispatching
When a tenant submits a maintenance request, the agent creates a work order, assigns a vendor, and posts a communication confirming the appointment. Maintenance and vendor endpoints together cover the dispatch loop, and the communications endpoint logs the tenant-facing message so it appears in their Buildium message thread.
Create a work order on unit 7821 for a leaking faucet, assign vendor ID 442, and send the tenant a Buildium communication confirming a Tuesday visit.
AI Agent Property Operations Assistant via Jentic
An operations agent connected via Jentic can answer ad-hoc questions like which leases expire next month, which bills are overdue, and which units are vacant. The agent searches Jentic for the right operation, loads the schema, and executes against the operator's vault-stored client credentials without the agent ever seeing them.
Search Jentic for list active leases, load the schema, and return leases with end dates inside the next 30 days for property_id 314.
Key Endpoints
326 endpoints — jentic maintains a validated, agent-ready openapi specification for buildium api.
METHOD
PATH
DESCRIPTION
GET
/v1/leases
List leases
POST
/v1/leases
Create a lease
GET
/v1/rentals
List rental properties
POST
/v1/bills
Record a vendor bill
GET
/v1/bankaccounts
List bank accounts
POST
/v1/leases/{leaseId}/transactions/payments
Record a lease payment
POST
/v1/communications
Send a communication to a tenant or owner
GET
/v1/leases
List leases
POST
/v1/leases
Create a lease
GET
/v1/rentals
List rental properties
POST
/v1/bills
Record a vendor bill
GET
/v1/bankaccounts
List bank accounts
POST
/v1/leases/{leaseId}/transactions/payments
Record a lease payment
POST
/v1/communications
Send a communication to a tenant or owner
Why Jentic?
What agents get from Jentic-routed access to this vendor.
Setup
Wiring Buildium by hand means learning its paired clientId and clientSecret header auth, choosing the production or sandbox host, and threading the lease id through payment calls yourself. Through Jentic you install once, import Buildium from the API Directory, store the credentials once, and your agent calls it.
Permission scoping
Buildium puts the lease id in the URL path (/v1/leases/{leaseId}/transactions/payments), so a rule can pin your agent to one lease for those calls, and more broadly you scope it by the operations it needs, such as listing leases and rentals. Because you choose the allowed operations, it can read records and record a payment without being able to post vendor bills unless you add that.
Credential isolation
Your Buildium clientId and clientSecret pair is stored once, encrypted, by your own Jentic One instance and injected as the request headers at execution time. Neither value ever enters the agent's prompt, logs, or context.
Intent-based discovery
Agents search Jentic by intent such as 'list leases' or 'record a vendor bill', and Jentic returns the matching Buildium operation with its input schema so the agent calls the right endpoint without browsing the reference docs.
Related APIs
Alternatives and complements available in the Jentic catalogue.
FAQs
Specific to using Buildium API through Jentic.
Does Buildium publish an official OpenAPI specification?
Yes. Buildium publishes its own OpenAPI 3.0.4 specification, embedded in the Redoc-rendered reference at https://developer.buildium.com/ rather than served as a standalone document you can fetch by URL. The specification Jentic serves here is generated and maintained by Jentic from that reference, validated and kept agent-ready, and it declares the clientId and clientSecret security schemes that Buildium's own document leaves undeclared. Get started with Jentic One, the self-hosted execution layer.
What authentication does the Buildium API use?
Buildium uses paired API key headers: clientId and clientSecret are sent on every request. Through Jentic, both values are stored encrypted in the vault and injected at execution time, so the agent never sees the raw secret in its context.
Can I record a tenant payment through the Buildium API?
Yes. The lease transaction endpoints under /v1/leases/{leaseId}/transactions accept payment, charge, and credit postings. POST a lease payment with amount, payment date, and payment method to apply it against the lease balance and update the owner's accounting ledger automatically.
Can the Buildium API handle homeowner association accounting?
Yes. Alongside rental properties, the API exposes Associations, AssociationOwners, and OwnershipAccountTransactions endpoints. You can create association records, track unit ownership, and post transactions against the association's general ledger.
What are the rate limits for the Buildium API?
Buildium applies per-account rate limits that are not encoded in the OpenAPI spec. Add retry-with-backoff for HTTP 429 responses and stagger high-volume jobs such as nightly ledger exports to stay within fair-use thresholds.
How do I list Buildium leases from an AI agent through Jentic?
Run pip install jentic and authenticate with your ak_* key. Search Jentic with list active Buildium leases, load the GET /v1/leases operation, and execute it with your filter parameters. Jentic injects both the clientId and clientSecret headers from your stored credentials.
Can I limit what my agent is allowed to do with the Buildium API?
Yes. Jentic One is self-hosted, so your own rules decide which Buildium operations and credentials the agent can use. You can scope it to just the operations it needs, such as listing leases and rentals, so it reads records and records a lease payment without being able to post vendor bills unless you add that. Because Buildium puts the lease id in the URL path (/v1/leases/{leaseId}/transactions/payments), a rule can also pin the agent to a single lease for those payment calls.
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