# Spero Therapeutics

**Canonical:** https://apis.io/providers/spero-therapeutics/  
**Website:** https://www.sperotx.com  
**APIs profiled:** 0

Spero Therapeutics is a clinical-stage biopharmaceutical company advancing innovative medicines for immune-mediated and infectious diseases. Its pipeline includes SP001, a third-generation anti-CD40L antibody targeting IgG4-related disease, alongside earlier programs in antibacterial and rare-disease therapeutics. Spero was surfaced as a portfolio company of GV and added to the API Evangelist network. As a life-sciences drug developer, Spero publishes a corporate and investor-relations web presence but no public developer API, developer portal, or technical integration surface; this profile captures its identity and probed domain-security posture.

## Kin Score — 9.5 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 9.5).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

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)

- **Spero Therapeutics Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Life Sciences, Biopharmaceutical, Clinical Stage, Drug Development, Immunology, Infectious Disease

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