Apideck Unified API
Apideck unified API for developers and B2B SaaS companies to integrate multiple third-party services through a single normalized API — enabling AI agents to interact with CRM, HRIS, accounting, ATS, and file storage systems through Apideck's abstracted data model without managing individual provider integrations. Enables AI agents to manage CRM unification for normalized contact, lead, opportunity, and company data across Salesforce, HubSpot, and Pipedrive automation, handle HRIS unification for normalized employee, department, and payroll data across BambooHR, Workday, and ADP automation, access accounting unification for normalized invoice, payment, and ledger data across QuickBooks, Xero, and NetSuite automation, retrieve ATS unification for normalized applicant, job posting, and offer data across Greenhouse, Lever, and Workable automation, manage file storage unification for normalized file and folder operations across Google Drive, Dropbox, and Box automation, handle lead management for lead capture and routing across unified CRM abstraction automation, access connection management for third-party OAuth connection provisioning and management automation, retrieve webhook management for unified webhook event subscription across provider categories automation, manage vault management for customer credential storage and OAuth token management automation, and integrate Apideck with 100+ downstream SaaS providers for multi-tenant unified API automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Unified API. SOC2, GDPR. API key/OAuth2. US/EU. Multi-tenant customer credentials and third-party data.
⚡ Reliability
Best When
A B2B SaaS company or developer wanting AI agents to read and write normalized CRM, HRIS, accounting, or ATS data across multiple providers through a single unified API without building and maintaining individual provider integrations.
Avoid When
PROVIDER COVERAGE IS CATEGORY-SPECIFIC: Apideck covers specific API categories (CRM, HRIS, accounting, ATS, file storage); automated universal-coverage assumption creates category_not_supported for data types outside Apideck's supported API categories; automated must verify target provider and data type are in Apideck's supported catalog. NORMALIZED MODEL LOSES PROVIDER-SPECIFIC FIELDS: Apideck normalized model includes common fields across providers; automated full-fidelity assumption creates missing_fields for provider-specific custom fields not included in Apideck's normalized schema; automated must use provider passthrough API for provider-specific fields. CONNECTION PROVISIONING IS PER CUSTOMER: Each customer requires separate OAuth connection per integration; automated single-connection assumption creates cross_customer_data for multi-tenant deployments sharing a single connection; automated must provision and scope connections per customer in vault. RATE LIMITS APPLY PER CONNECTION: Apideck API calls count against underlying provider rate limits; automated unlimited-calls assumption creates provider_rate_limit_exceeded for high-frequency operations that exhaust downstream provider API quota; automated must respect underlying provider rate limits, not just Apideck limits.
Use Cases
- • Building CRM integrations that work across Salesforce, HubSpot, and Pipedrive with one API call for B2B SaaS integration agents
- • Syncing employee data from any HRIS through normalized data model for HR automation agents
- • Reading and writing accounting data across QuickBooks, Xero, and NetSuite for financial operations agents
- • Managing multi-tenant customer OAuth connections for embedded integration in SaaS products agents
Not For
- • Complex workflow orchestration and multi-step automation (Apideck is data unification; Workato and Tray serve workflow orchestration)
- • Real-time streaming data ingestion (Apideck is REST-based unified CRUD; Fivetran and Airbyte serve bulk data pipeline)
- • Custom API connectors beyond supported categories (Apideck covers CRM/HRIS/accounting/ATS/file; custom categories need direct integration)
Interface
Authentication
Apideck uses API key and OAuth2 (vault tokens) for Unified API. REST API with JSON. Ghent, Belgium HQ (remote-first). Founded 2020 by Jeroen Corthout and Nick Rosseel. Raised $20M+ (Point Nine Capital). Products: Apideck Unify (unified API), Apideck Vault (credential management), Apideck Ecosystem (integration marketplace). 100+ supported integrations across CRM/HRIS/accounting/ATS/file storage. SDKs in JS/TS/Python/PHP/Ruby/Go. Competes with Merge, Finch, and Codat for unified API platforms.
Pricing
Ghent Belgium. $20M raised. Remote-first company. Freemium with usage limits. 100+ integrations. Multiple SDK languages.
Agent Metadata
Known Gotchas
- ⚠ SERVICE ID HEADER IS REQUIRED: Apideck unified API requires x-apideck-service-id header to route to specific provider; automated single-endpoint assumption creates provider_routing_error for calls without specifying which downstream provider to target; automated must include x-apideck-service-id header for all data operations
- ⚠ CONSUMER ID SCOPES CONNECTIONS: Apideck uses consumer ID for multi-tenant connection scoping; automated global-connection assumption creates cross_tenant_data for operations not specifying consumer ID in x-apideck-consumer-id header; automated must include consumer ID for all multi-tenant operations
- ⚠ PASSTHROUGH IS REQUIRED FOR CUSTOM FIELDS: Provider-specific fields not in normalized model require passthrough API endpoint; automated normalized-coverage assumption creates missing_custom_fields for data workflows relying on non-normalized provider fields; automated must use passthrough endpoint for provider-specific field access
- ⚠ DOWNSTREAM ERRORS PROPAGATE: Provider API errors are surfaced through Apideck error responses; automated apideck-only-errors assumption creates unhandled_provider_error for downstream provider errors with provider-specific error codes; automated must handle both Apideck and downstream provider error types
- ⚠ CONNECTION STATUS AFFECTS DATA AVAILABILITY: If customer's OAuth token expires or connection breaks, API returns connection error; automated always-connected assumption creates unexpected_auth_error for data queries when customer connection is expired; automated must implement connection health monitoring and re-authorization flow
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Scores are editorial opinions as of 2026-03-07.