Stipple Bio
Stipple Bio is a preclinical precision-oncology biotechnology company based in Cambridge, Massachusetts, founded in 2022 by cancer-biology researchers Aaron Ring (Fred Hutch) and Aashish Manglik (UCSF). Its Pointillist Platform performs cellular profiling and tumor-specific epitope discovery to design antibody binders and antibody-drug conjugates (ADCs) that target tumor-specific cell-surface epitopes while avoiding on-target, off-tumor toxicity. Its lead asset, STP-100, is an ADC advancing toward early clinical studies. The company emerged from stealth in April 2026 with an oversubscribed $100M Series A co-led by RA Capital, a16z Bio+Health and Nextech Invest, with participation from Google Ventures (gv). As a therapeutics company, Stipple Bio publishes no public API, developer portal, or software developer surface.
Index entry only — little beyond a description and a link, and nothing machine-readable enough for an agent to act on without a human reading the site first.
API Evangelist profiles Stipple Bio the way a machine reads it — 1 machine-readable artifact, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Stipple Bio scores 7.7/100 (minimal), with a separate agent-readiness read of 0/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Stipple Bio
Each block below is one kind of artifact we hold for Stipple Bio. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Stipple Bio — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Access & Security 1
Authentication, authorization, and security posture
Company 1
The organization behind the API
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