| Vendor | Adobe Inc. | OpenText (Open Text Corporation) |
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| HQ | USA (San Jose, California) | Canada (Waterloo, Ontario) |
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| Founded | 1982 | 1991 |
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| Ownership | public (NASDAQ: ADBE) | public (NASDAQ/TSX OTEX) |
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| Target market | Enterprise | Enterprise (upper mid-market to large enterprise) |
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| Hosting regions | Not public | US, UK, EU, Canada, Australia |
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| Pricing model | quote-only; packages Assets Prime / Assets Ultimate with user types (Limited, Collaborator, Power, Admin); Dynamic Media Prime/Ultimate add-ons (DM billed on aggregated page views/visits) | quote-only; annual subscription or perpetual/term licence (G-Cloud 14 list price GBP 240/user/year) |
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| SSO | SAML | SAML, OAuth 2.0, LDAP |
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| Certifications | HIPAA-ready, CMMC L2 | ISO 27001, ISO 27017, SOC 1 Type 2, SOC 2 Type 2 |
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| Analyst coverage | Gartner MQ DAM Platforms 2025: Leader · Forrester Wave DAM Systems Q1 2026: Leader | Forrester Wave DAM Systems Q1 2026: Leader · IDC MarketScape Intelligent DAM 2024: Leader · Omdia Universe DXM 2025-26: Leader · Forrester Wave DAM for CX Q4 2019: Leader |
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| OpenAPI spec | Partial | Yes |
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| Webhooks (overview) | YesAdobe I/O Events; AEM as a Cloud Service only | No |
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| Official MCP server | YesAEM MCP Server, https://mcp.adobeaemcloud.com/adobe/mcp/aem | No |
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| API base URL | https://author-p{program}-e{env}.adobeaemcloud.com/adobe/assets | https://{tenant}/otmmapi/v6 |
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| Authentication | OAuth 2.0 client credentials, OAuth 2.0 authorization code, OAuth 2.0 PKCE, JWT | session, OAuth 2.0 client credentials, oauth2-password |
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| Token lifetime | ~24 h (IMS access token, expires_in; refresh rules for user flows Unknown) | Unknown (session and OTDS OAuth token lifetimes are not published) |
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| Rate limit | Not public (429 + exponential backoff; thresholds via support ticket) | Not public (single-tenant installs; no limit documented) |
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| Pagination | cursor (limit 1-50 + opaque cursor) | offset: after/before + limit (Core DAM: offset/count, default 25) |
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| Webhooks (API) | Adobe I/O Events: webhook (RSA-SHA256 signed), journal, EventBridge | none; per-job callback URL (GET/POST) on import/export jobs |
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| API spec | OpenAPI 3.0.3 (6 archived spec files, 2026.07) | OpenAPI 3.0.1: OTMM CE 23.2 (247 ops) + Core DAM v1 (12 ops) |
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| Official SDKs | No generated SDK; Node.js upload/events libs and Java AEM SDK (official) | Java representations JAR shipped with the server; no public package |
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