| Vendor | Alchemy | Tenovos Corporation |
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| HQ | France (Paris) | USA (New York, NY) |
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| Founded | 1996 | 2018 |
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| Ownership | independent (privately held French SARL) | independent, VC-backed (S4S Ventures, BDMI, Progress Ventures, Revel Partners, Dublin Capital Partners, UCIG) |
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| Target market | SMB to enterprise (companies, public sector, photographers) | Enterprise |
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| Deployment | SaaS, On-premise | SaaS |
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| Pricing model | free open-source licence; SaaS plans by workspaces, storage and request quotas (from €169/month); services packs | quote-only (demo request); Tenovos Glass also listed on AWS Marketplace |
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| Public pricing | Yes | No |
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| SSO | SAML, OIDC | Not public |
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| Certifications | None published | SOC2 |
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| Analyst coverage | Not public | IDC MarketScape Worldwide Intelligent DAM 2024: Leader · Forrester Wave DAM for Customer Experience Q1 2022: Strong Performer |
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| API base URL | Phrasea: https://api-databox.{domain}/ · Phraseanet: https://{host}/api/v3/ | https://api.tenovos.io/v1 (v1.5, all customers); UAT: https://api.uat.tenovos.io/v1 |
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| Authentication | OAuth 2.0 authorization code, OAuth 2.0 PKCE, OAuth 2.0 client credentials, OAuth 2.0 password, API key | API key, JWT, OAuth 2.0 authorization code |
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| Token lifetime | Phrasea: Keycloak realm setting (Not public); Phraseanet v1: tokens do not expire | Access token 1 h; refresh token usable up to 30 days |
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| Rate limit | Phraseanet v1: none; Phrasea SaaS plans: 5-40 concurrent requests + request quotas | Not documented; x-ratelimit-limit 60000 / reset 60 seen on a 401 (observed) |
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| Pagination | Phrasea: page + limit (max 100); Phraseanet v3: offset/limit or page/per_page (max 100) | offset from/limit (max 100, search window 10,000); cursor scan for deep paging |
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| Webhooks (API) | Phrasea: admin-managed entity events, unsigned; Phraseanet: per OAuth app, 17 events | API- or admin-UI-managed; HMAC-SHA256 signed; 8 attempts with back-off |
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| API spec | OpenAPI 3.1.0 Databox (239 ops) + Expose (37 ops); Phraseanet v3 OpenAPI 3.0.3 (7 ops) | OpenAPI 3.0 (v1.5, 127 ops) + Content Intelligence API + webhooks OpenAPI 3.1 |
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| Official SDKs | Phraseanet PHP SDK (last release 2021); no official Phrasea SDK | none official (Node.js training samples only) |
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