Quiver Quantitative website screenshot

Quiver Quantitative

Quiver Quantitative is an alternative-data platform that aggregates non-traditional financial datasets and exposes them through a single API. The platform covers congressional and Senate trading, insider trading, lobbying activity, government contracts, corporate patents, executive compensation, institutional and ETF holdings, off-exchange activity, app ratings, and more, giving developers and quantitative researchers programmatic access to alternative data signals starting at $10 per month.

Quiver Quantitative publishes 1 API on the APIs.io network: Beta API. Tagged areas include Alternative Data, Financial Data, Investment Research, Market Data, and Government Data.

Quiver Quantitative’s developer surface includes authentication, documentation, pricing, signup flow, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
42.2/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
2 APIs
Alternative DataFinancial DataInvestment ResearchMarket DataGovernment DataCongressional Trading

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 42.2/100 · developing
Contract Quality 12.5 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 14.2 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 6.9 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/quiver: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Quiver Quantitative API

The Quiver Quantitative API provides REST access to alternative financial datasets including Congressional and Senate stock trading, insider transactions, lobbying disclosures, ...

Quiver Quantitative Beta API

The Beta API from Quiver Quantitative — 6 operation(s) for beta.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Quiver Quantitative API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Quiver Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Quiver Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Quiver Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Quiver Authentication

http · 1 scheme

SECURITY

Quiver Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Quiver Agentic Access

6 operations

6 operations · 0 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup
Signup

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: quiver
name: Quiver Quantitative
description: Quiver Quantitative is an alternative-data platform that aggregates non-traditional financial datasets and exposes
  them through a single API. The platform covers congressional and Senate trading, insider trading, lobbying activity, government
  contracts, corporate patents, executive compensation, institutional and ETF holdings, off-exchange activity, app ratings,
  and more, giving developers and quantitative researchers programmatic access to alternative data signals starting at $10
  per month.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/quiver.png
tags:
- Alternative Data
- Financial Data
- Investment Research
- Market Data
- Government Data
- Congressional Trading
created: '2025-02-12'
modified: '2026-04-28'
url: https://raw.githubusercontent.com/api-evangelist/quiver/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: quiver:quiver
  name: Quiver Quantitative API
  description: The Quiver Quantitative API provides REST access to alternative financial datasets including Congressional
    and Senate stock trading, insider transactions, lobbying disclosures, government contracts, corporate patents, executive
    compensation, institutional holdings, ETF holdings, top shareholders, off-exchange activity, app ratings, and the Quiver
    newsfeed. Endpoints are available for both bulk historical datasets and live ticker-specific lookups, organized under
    versioned paths such as /beta and /v1.
  humanURL: https://api.quiverquant.com/
  baseURL: https://api.quiverquant.com
  tags:
  - Alternative Data
  - Financial Data
  - Investment Research
  properties:
  - type: Documentation
    url: https://api.quiverquant.com/docs/
  - type: Pricing
    url: https://www.quiverquant.com/pricing/
  - type: Signup
    url: https://www.quiverquant.com/signup/
  - type: Authentication
    url: https://api.quiverquant.com/docs/
- aid: quiver:quiver-beta-api
  name: Quiver Quantitative Beta API
  description: The Beta API from Quiver Quantitative — 6 operation(s) for beta.
  humanURL: https://api.quiverquant.com/
  baseURL: https://api.quiverquant.com
  tags:
  - Beta
  properties:
  - type: OpenAPI
    url: openapi/quiver-beta-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/quiver-agentic-access.yml
- type: DomainSecurity
  url: security/quiver-domain-security.yml
- type: Authentication
  url: authentication/quiver-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/quiver-quantitative
- type: Website
  url: https://www.quiverquant.com/
- type: Documentation
  url: https://api.quiverquant.com/docs/
- type: Pricing
  url: https://www.quiverquant.com/pricing/
- type: Signup
  url: https://www.quiverquant.com/signup/
- type: Blog
  url: https://www.quiverquant.com/blog/
- type: TermsOfService
  url: https://www.quiverquant.com/terms/
- type: PrivacyPolicy
  url: https://www.quiverquant.com/privacy/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com