# C the Signs

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

C the Signs is a London-based healthcare technology company, founded in 2016 by Dr Bea Bakshi and Dr Miles Payling, that uses artificial intelligence to help clinicians detect and refer patients at risk of cancer at the earliest, most treatable stage. Registered as an MHRA Class I medical device, its clinical decision support platform analyzes more than 1,000 validated, evidence-based data points across signs, symptoms and risk factors to recommend the right investigations or urgent referrals in under 60 seconds. The platform is used widely across the UK's NHS and health systems, has helped identify over 70,000 patients with cancer across 100+ cancer types at reported 99% sensitivity, and is backed by an $8M Series A investment from Khosla Ventures. It has no public developer API; this profile tracks the company as an API Evangelist network lead.

## Kin Score — 11.8 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 11.8).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 27.6 |
| Access Clarity | 27.6 |

Regulatory layer — **Health**: 17.5 (matched via tags).

## Agent readiness — 0.0 (human-only)

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

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Cthesigns Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Healthcare, Artificial Intelligence, Cancer Detection, Clinical Decision Support, Medical Device, Digital Health, NHS

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