Real-time
Two-way sync
Changes in Coupa or Marketo instantly reflect in both systems. No stale data, no manual imports.
Accounting and finance ⇄ Marketing
Coupa to Marketo integration — real-time, two-way sync
Keep Coupa and Marketo in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
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Adopted by fast-scaling companies moving mission-critical data in real time
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Why teams connect Coupa and Marketo
Put revenue reality behind every campaign: Coupa and Marketo share the same customers, contacts, and billing status in real time, in both directions.
Coupa records the money — who pays, how much, and whether they are current; Marketo decides who hears from the business and what they hear. The two overlap wherever the same customers and contacts matter to both, and when that overlap is bridged by CSV exports or an overnight batch, campaigns target on stale billing data and finance works from lists marketing has already changed underneath it.
Stacksync syncs Accounts, Contracts, Expense Reports, Requisitions in Coupa with Custom Objects, Activities and Lead Changes, Static Lists, Programs and Program Members in Marketo field by field, in real time, and in both directions. You decide which system owns which fields — finance keeps the revenue and payment truth, marketing keeps consent and engagement — and Stacksync keeps every copy consistent and resolves conflicts by rules you set.
Common use cases
- 01 Provision and update Users in Coupa from an HRIS or identity provider as employees join, change roles, or leave.
- 02 Mirror Purchase Orders and their status into an operational Postgres database for spend reporting and three-way match analytics.
- 03 Load purchase or product-usage records into Custom Objects linked to Leads so nurture campaigns branch on behavior mastered in another system.
- 04 Add or remove Leads on Static Lists or set Program Member status from lifecycle stage computed downstream, then run a trigger Smart Campaign against them.
Common sync patterns
One customer and contact list
Where both systems keep customer or contact records, an edit on either side propagates to the other, ending dual maintenance and the drift it creates.
Where Marketo captures new people: clean records flow to finance
Registrants, form fills, or leads created in Marketo create or update the matching customer or contact in Coupa, so billing and reporting start from accurate details without re-entry.
Where Coupa tracks lifecycle state: keep Marketo current
Trial, renewal, churn, or payment state from Coupa updates the contact in Marketo, so lifecycle campaigns and audience suppression run on current billing reality.
What you can sync between Coupa and Marketo
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| Coupa objects | Marketo objects | How this pairing syncs | |
|---|---|---|---|
| Requisitions Employee purchase requests with lines and approval chains; read out to warehouses, or created via the API from upstream intake tools. | Leads Core person records (called Leads/People), deduped on email address by default or a configured dedupe field; read via GET /rest/v1/leads.json with a filterType, upserted via POST /rest/v1/leads.json (action createOrUpdate/createOnly/updateOnly), bulk-imported via CSV through POST /bulk/v1/leads.json, and bulk-exported via /bulk/v1/leads/export/create.json. | Requisitions is specific to Coupa and Leads to Marketo — each maps to any object or custom field on the other side. | |
| Purchase Orders PO headers and lines; synced two-way with ERPs so orders raised in Coupa flow to the ledger and status updates flow back on the /purchase_orders resource. | Companies Company records linked to Leads via a company link field; read and upserted through /rest/v1/companies.json, typically mastered in a CRM or ERP and written into Marketo for account context. | Purchase Orders is specific to Coupa and Companies to Marketo — each maps to any object or custom field on the other side. | |
| Invoices Supplier/AP invoices with lines and approval status; polled out to accounting and ERP systems for the pay cycle, or created through the API. | Opportunities and Opportunity Roles Revenue objects synced via /rest/v1/opportunities.json and /rest/v1/opportunities/roles.json; roles associate an opportunity with a Lead, so pipeline data can drive nurture and scoring. | Invoices is specific to Coupa and Opportunities and Opportunity Roles to Marketo — each maps to any object or custom field on the other side. | |
| Suppliers Supplier master records; kept aligned with an ERP vendor master and onboarding tools, synced two-way on the /suppliers resource. | Custom Objects Auxiliary data tables described via /rest/v1/customobjects.json and read/written via /rest/v1/customobjects/{apiName}.json, linked to Leads by a dedupe/link field so campaigns branch on records like purchases or subscriptions. | Suppliers is specific to Coupa and Custom Objects to Marketo — each maps to any object or custom field on the other side. | |
| Users Employee and user accounts with roles and content groups; provisioned and updated from an HRIS or identity provider. | Activities and Lead Changes Engagement feed (opens, clicks, form fills, Data Value Changes) read via GET /rest/v1/activities.json using a paging token from /rest/v1/activities/pagingtoken.json (sinceDatetime), plus Get Lead Changes and Get Deleted Leads; read-only, also available via async Bulk Activity Extract. | Users is specific to Coupa and Activities and Lead Changes to Marketo — each maps to any object or custom field on the other side. | |
| Accounts Chart-of-accounts segments and GL codes; usually mastered in the ERP and written into Coupa so requisitions and invoices code correctly. | Static Lists Named static lists; read via /rest/v1/lists.json, with Leads added or removed via POST and DELETE on /rest/v1/lists/{listId}/leads.json to control campaign membership from lifecycle logic computed downstream. | Accounts is specific to Coupa and Static Lists to Marketo — each maps to any object or custom field on the other side. |
How changes propagate between Coupa and Marketo
Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.
Coupa Marketo Interval-based propagation
DetectionStacksync polls Coupa for changes on an incremental schedule, reading only records changed since the previous pass. Polling on updated-at and created-at filters (e.g.
DeliveryEach detected change is written to Marketo through its API, with automatic retries and rate-limit backoff.
Marketo Coupa Interval-based propagation
DetectionStacksync polls Marketo for changes on an incremental schedule, reading only records changed since the previous pass. Polling: Get Lead Changes and Get Lead Activities from a paging token seeded by a sinceDatetime, plus Get Deleted Leads, or Bulk Extract filtered on.
DeliveryEach detected change is written to Coupa through its API, with automatic retries and rate-limit backoff.
Rate-limit considerations
- Coupa: Coupa does not publish explicit rate limits or expose X-RateLimit/Retry-After headers; integrations page 50 records at a time and back off on 429/503 responses.
- Marketo: Interactive calls are capped at 100 per 20 seconds (error 606) and a maximum of 10 concurrent calls (error 615) per instance, neither increasable; a default daily quota of 50,000 calls (increasable, resets midnight CST) applies. Bulk Extract shares a 500 MB/day export quota across data types with at most 2 concurrent jobs and 10 queued.
What ships with Coupa ⇄ Marketo
Connect Coupa and Marketo for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Coupa–Marketo connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Coupa or Marketo data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single Coupa or Marketo record.
Observability
Monitoring
Track your Coupa ⇄ Marketo sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Coupa and Marketo.
How the Coupa and Marketo connectors work
Coupa
- Integration surface
- REST Core API (JSON or XML)
- Authentication
- OAuth 2.0 / OIDC via the client-credentials grant; scopes take the service.object.right form (e.g. core.accounting.read, core.accounting.write). Legacy API keys are being retired (no new keys since R34; API-key auth unsupported from R36). Access tokens last 24 hours.
- Change detection
- Polling on updated-at and created-at filters (e.g. updated-at[gt]=<timestamp>); Coupa has no native webhook subscriptions, though admins can configure outbound Call Out / external notifications.
- Capabilities
- read · write
- Rate limits
- Coupa does not publish explicit rate limits or expose X-RateLimit/Retry-After headers; integrations page 50 records at a time and back off on 429/503 responses.
Marketo
- Integration surface
- Marketo REST API (JSON over HTTPS) for Leads, Companies, Opportunities, Custom Objects, Activities, Lists, Programs, and Campaigns, plus an asynchronous Bulk Import (leads) and Bulk Extract (leads/activities/program members/custom objects) API and an Asset REST API for emails, forms, and landing pages
- Authentication
- OAuth 2.0 client_credentials (2-legged): GET the Identity URL /oauth/token?grant_type=client_credentials with a Custom Service client_id and client_secret to receive an access token valid for 3600 seconds, then send it as Authorization: Bearer on each call. The instance base URL is https://{munchkinId}.mktorest.com; passing the token as an access_token query parameter is deprecated (removal July 31, 2026).
- Change detection
- Polling: Get Lead Changes and Get Lead Activities from a paging token seeded by a sinceDatetime, plus Get Deleted Leads, or Bulk Extract filtered on createdAt/updatedAt. Marketo's Webhooks are Smart Campaign flow-step outbound HTTP calls to a URL, not a general record-change subscription, so there is no push feed of arbitrary CRUD.
- Capabilities
- read · write
- Rate limits
- Interactive calls are capped at 100 per 20 seconds (error 606) and a maximum of 10 concurrent calls (error 615) per instance, neither increasable; a default daily quota of 50,000 calls (increasable, resets midnight CST) applies. Bulk Extract shares a 500 MB/day export quota across data types with at most 2 concurrent jobs and 10 queued.
How it works
How to connect Coupa to Marketo — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate Coupa and Marketo with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Coupa
connected
Marketo
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Coupa and Marketo objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · Coupa ⇄ MarketoCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Coupa MarketoCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Coupa and Marketo integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Coupa and Marketo: authenticate both systems, choose the objects to sync (such as Coupa's Requisitions and Purchase Orders), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Common patterns for Coupa and Marketo: One customer and contact list; Where Marketo captures new people: clean records flow to finance; Where Coupa tracks lifecycle state: keep Marketo current. Where both systems keep customer or contact records, an edit on either side propagates to the other, ending dual maintenance and the drift it creates.
-
Coupa: REST Core API (JSON or XML). Authentication: OAuth 2.0 / OIDC via the client-credentials grant; scopes take the service.object.right form (e.g. core.accounting.read, core.accounting.write). Legacy API keys are being retired (no new keys since R34; API-key auth unsupported from R36). Access tokens last 24 hours. Marketo: Marketo REST API (JSON over HTTPS) for Leads, Companies, Opportunities, Custom Objects, Activities, Lists, Programs, and Campaigns, plus an asynchronous Bulk Import (leads) and Bulk Extract (leads/activities/program members/custom objects) API and an Asset REST API for emails, forms, and landing pages. Authentication: OAuth 2.0 client_credentials (2-legged): GET the Identity URL /oauth/token?grant_type=client_credentials with a Custom Service client_id and client_secret to receive an access token valid for 3600 seconds, then send it as Authorization: Bearer on each call. The instance base URL is https://{munchkinId}.mktorest.com; passing the token as an access_token query parameter is deprecated (removal July 31, 2026). Stacksync manages authentication, retries, and rate limits on both sides.
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Coupa: The Core API returns 50 records per page, so large object pulls must paginate with offset/limit, which makes full backfills slow. Marketo: Authentication is OAuth 2.0 client_credentials: GET the Identity URL /oauth/token to receive an access token valid for 3600 seconds, sent as an Authorization: Bearer header; the instance base URL is https://{munchkinId}.mktorest.com. Stacksync's field mapping accounts for these differences between Coupa and Marketo without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means Coupa and Marketo records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Coupa and Marketo connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Coupa–Marketo integration in-house.
SECURITY
Security teams trust Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 Type II
ISO 27001
HIPAA BAA
GDPR
CCPA
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
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