# Semasio

**Canonical:** https://apis.io/providers/fyllo/  
**Website:** https://www.semasio.com/  
**APIs profiled:** 0

Semasio is a Hamburg, Germany advertising-technology company whose semantic targeting platform builds audience, contextual and brand-fit segments for brands, agencies and DSPs across roughly 30 languages and 50 countries. Founded in 2010, it was acquired in 2022 by Casters Holdings, Inc. operating under the Fyllo brand; the combined business traded as Fyllo|Semasio, rebranded to Semasio in April 2024, and was acquired by Samba TV on 31 October 2024. Products include Audience Targeting, Audience Extension, Contextual Targeting, ContextualPLUS, Brand Fit, Interactive Screens, HypertailPMP and the Semasio Factory data onboarding and modeling service. Semasio operates a login-only platform (uip.semasio.net) behind an authentik single sign-on host and publishes no public developer program, API reference, SDK or machine-readable specification.

## Kin Score — 12.4 / 100 (minimal)

Scored 2026-08-17 under rubric 0.11.0.

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 6.5 |
| Commercial Clarity | 21.1 |

## Agent readiness — 3.2 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Security (1)

- **Fyllo Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Fyllo Plans Pricing**

## Tags

Company, Advertising, Marketing, AdTech, Audience Targeting, Contextual Advertising, Data, Segments, Programmatic

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/fyllo/). Scores are computed from the provider's own public artifacts under a published rubric.