| Vendor | Adobe Inc. | Sitecore (Sitecore Corporation A/S) |
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| HQ | USA (San Jose, California) | Salem, NH (US HQ) / London / San Francisco — sources differ; Danish origin (Copenhagen) |
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| Founded | 1982 | 2001 |
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| Ownership | public (NASDAQ: ADBE) | PE-backed (EQT) |
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| Deployment | SaaS, Private cloud, On-premise | SaaS |
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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; seat-based (Power / Consumer users, per-module seats); also sold within SitecoreAI entitlements |
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| SSO | SAML | SAML, OIDC, WS-Federation |
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| Certifications | HIPAA-ready, CMMC L2 | ISO 27001, ISO 27017, ISO 27018, SOC 2 Type 2, SOC 1 Type 2, CSA STAR L2, IRAP, TISAX AL2 |
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| Analyst coverage | Gartner MQ DAM Platforms 2025: Leader · Forrester Wave DAM Systems Q1 2026: Leader | Gartner MQ DAM Platforms 2025: Visionary · Gartner MQ Content Marketing Platforms 2026: Leader (Sitecore) |
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| API style (overview) | REST | REST, GraphQL |
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| Webhooks (overview) | YesAdobe I/O Events; AEM as a Cloud Service only | UI only |
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| Official MCP server | YesAEM MCP Server, https://mcp.adobeaemcloud.com/adobe/mcp/aem | NoContent Hub has none; the SitecoreAI Marketer MCP has 3 generic asset tools, target store unspecified |
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| API base URL | https://author-p{program}-e{env}.adobeaemcloud.com/adobe/assets | https://{tenant}.sitecorecontenthub.cloud/api |
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| API styles | REST | REST, GraphQL |
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| Authentication | OAuth 2.0 client credentials, OAuth 2.0 authorization code, OAuth 2.0 PKCE, JWT | OAuth 2.0 authorization code, OAuth 2.0 client credentials, Personal token |
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| Token lifetime | ~24 h (IMS access token, expires_in; refresh rules for user flows Unknown) | Access 1 h; refresh 90 days, rotated; legacy X-Auth-Token never expires |
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| Rate limit | Not public (429 + exponential backoff; thresholds via support ticket) | 15 req/s per API integration user (429 + Retry-After); Dev tenants 100/min |
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| Pagination | cursor (limit 1-50 + opaque cursor) | skip/take (Query capped at 10,000); SearchAfter cursor; Scroll (deprecating) |
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| Webhooks (API) | Adobe I/O Events: webhook (RSA-SHA256 signed), journal, EventBridge | No REST webhook registry; UI triggers/actions (API call, Azure bus), Kafka feed |
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| API spec | OpenAPI 3.0.3 (6 archived spec files, 2026.07) | OpenAPI 3.0 (13 files, 100 operations); some resources prose-only |
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| Official SDKs | No generated SDK; Node.js upload/events libs and Java AEM SDK (official) | .NET Web Client SDK, JavaScript SDK, ch-cli (official) |
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