Sumble

Sumble provides account intelligence data that powers go-to-market work across the revenue org — sales, RevOps, marketing, and customer success. Its data captures the most detailed view of what companies use (technologies and projects), who works there (people, teams, job posts), and when they are ready to buy (signals). Sumble exposes this as a RESTful enrichment API (OpenAPI 3.1, bearer-token auth) plus a hosted MCP server, letting teams enrich CRM data, build lead-generation tools, and run market research programmatically. Surfaced as a portfolio company of Bloomberg Beta and enriched into the API Evangelist network from its public developer surface.

Sumble publishes 10 APIs on the APIs.io network, including contact-lists API, jobs API, organization-lists API, and 7 more. Tagged areas include Company, Account Intelligence, Sales Intelligence, Data Enrichment, and Go-To-Market.

Sumble’s developer surface includes documentation, API reference, getting-started guide, engineering blog, pricing, signup flow, support, and 30 more developer resources.

🌐 Visit website 📡 Source on GitHub

55.5/100 strong ▬ flat Agent 62/100 agent ready saas Full breakdown ↓
scored 2026-09-06 · rubric v0.19.0

AccessFreemiumSelf serveFree trial⚡ Free to try

1 APIs 1 MCP Servers

Company Account Intelligence Sales Intelligence Data Enrichment Go-To-Market Technographics People Data Job Posts Signals MCP

Kin Score

Kin Score How this is scored →
scored 2026-09-06 · rubric v0.19.0

Composite quality — 55.5/100 · strong

Contract Quality 15.3 / 25

Developer Ergonomics 12.9 / 20

Access Clarity 13.4 / 20

Operational Transparency 4.1 / 13

Contract Governance 2.2 / 12

Discoverability 7.6 / 10

Agent readiness — 62/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/sumble: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 10

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

Open Collections 11

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

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Rate Limits 1

Documented rate limits and quota policies.

Sumble Rate Limits

1 limits

RATE LIMITS

Examples 52

Example request and response payloads for these APIs.

Scroll for all 52

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 7

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

AgentSkill

AgenticAccess

LLMsTxt

WellKnown

AgentSkill

Scroll for all 7

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Build 4

SDKs, sample code, and the tooling you integrate with

ToolCrosswalk

ToolCrosswalk

Packages

Packages

Examples

Examples

GitHubOrganization

GitHubOrganization

Access & Security 5

Authentication, authorization, and security posture

Compliance

Authentication

TrustCenter

DomainSecurity

TrustCenter

Operate 3

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

StatusPage

StatusPage

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: sumble
name: Sumble
description: Sumble provides account intelligence data that powers go-to-market work across the revenue org — sales, RevOps,
  marketing, and customer success. Its data captures the most detailed view of what companies use (technologies and projects),
  who works there (people, teams, job posts), and when they are ready to buy (signals). Sumble exposes this as a RESTful enrichment
  API (OpenAPI 3.1, bearer-token auth) plus a hosted MCP server, letting teams enrich CRM data, build lead-generation tools,
  and run market research programmatically. Surfaced as a portfolio company of Bloomberg Beta and enriched into the API Evangelist
  network from its public developer surface.
url: https://raw.githubusercontent.com/api-evangelist/sumble/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bloomberg-beta
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - https://docs.sumble.com/system-setup-and-configuration/pricing
  - https://docs.sumble.com/get-started/get-started-with-sumble
  generated: '2026-08-13'
  method: searched
  note: Free tier plus $99/user/month Pro; a corporate email unlocks a 30-day Pro trial with no credit card. Sign-up is self-serve
    (magic link) and API keys can be generated on all plans, but the underlying data is gated — no anonymous access to organization,
    job or people records.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-13'
tags:
- Company
- Account Intelligence
- Sales Intelligence
- Data Enrichment
- Go-To-Market
- Technographics
- People Data
- Job Posts
- Signals
- MCP
image: https://www.sumble.com/logo512
apis:
- aid: sumble:sumble-contact-lists-api
  name: Sumble contact-lists API
  description: The contact-lists API from Sumble — 3 operation(s) for contact-lists.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Contact Lists
  tags_raw:
  - contact-lists
  properties:
  - type: OpenAPI
    url: openapi/sumble-contact-lists-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-jobs-api
  name: Sumble jobs API
  description: The jobs API from Sumble — 2 operation(s) for jobs.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Job
  tags_raw:
  - jobs
  properties:
  - type: OpenAPI
    url: openapi/sumble-jobs-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-organization-lists-api
  name: Sumble organization-lists API
  description: The organization-lists API from Sumble — 5 operation(s) for organization-lists.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - organization-lists
  properties:
  - type: OpenAPI
    url: openapi/sumble-organization-lists-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-organizations-api
  name: Sumble organizations API
  description: The organizations API from Sumble — 3 operation(s) for organizations.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Organization
  tags_raw:
  - organizations
  properties:
  - type: OpenAPI
    url: openapi/sumble-organizations-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-people-api
  name: Sumble people API
  description: The people API from Sumble — 1 operation(s) for people.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - People
  tags_raw:
  - people
  properties:
  - type: OpenAPI
    url: openapi/sumble-people-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-projects-api
  name: Sumble projects API
  description: The projects API from Sumble — 1 operation(s) for projects.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Project
  tags_raw:
  - projects
  properties:
  - type: OpenAPI
    url: openapi/sumble-projects-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-signals-api
  name: Sumble signals API
  description: The signals API from Sumble — 3 operation(s) for signals.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Signals
  tags_raw:
  - signals
  properties:
  - type: OpenAPI
    url: openapi/sumble-signals-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-support-api
  name: Sumble support API
  description: The support API from Sumble — 2 operation(s) for support.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Support
  tags_raw:
  - support
  properties:
  - type: OpenAPI
    url: openapi/sumble-support-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-teams-api
  name: Sumble teams API
  description: The teams API from Sumble — 1 operation(s) for teams.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - Team
  tags_raw:
  - teams
  properties:
  - type: OpenAPI
    url: openapi/sumble-teams-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
- aid: sumble:sumble-technologies-api
  name: Sumble technologies API
  description: The technologies API from Sumble — 3 operation(s) for technologies.
  humanURL: https://docs.sumble.com/api/api
  baseURL: https://api.sumble.com
  tags:
  - technologies
  properties:
  - type: OpenAPI
    url: openapi/sumble-technologies-api-openapi.yml
  - type: APIReference
    url: https://api.sumble.com/docs
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Overlay
  url: overlays/sumble-openapi-overlay.yaml
- type: DeveloperPortal
  url: https://docs.sumble.com/
- type: Documentation
  url: https://docs.sumble.com/api/api
- type: APIReference
  url: https://api.sumble.com/docs
- type: GettingStarted
  url: https://docs.sumble.com/get-started/get-started-with-sumble
- type: Blog
  url: https://blog.sumble.com/
- type: Pricing
  url: https://sumble.com/pricing
- type: SignUp
  url: https://sumble.com/signup
- type: Login
  url: https://sumble.com/login
- type: Support
  url: mailto:support@sumble.com
- type: TermsOfService
  url: https://sumble.com/terms-of-service
- type: PrivacyPolicy
  url: https://sumble.com/privacy
- type: Compliance
  url: https://docs.sumble.com/trust-and-security/trust-and-security
- type: MCPServer
  url: mcp/sumble-mcp.yml
- type: LLMsTxt
  url: llms/sumble-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Authentication
  url: authentication/sumble-authentication.yml
- type: Conventions
  url: conventions/sumble-conventions.yml
- type: ErrorCatalog
  url: errors/sumble-problem-types.yml
- type: Lifecycle
  url: lifecycle/sumble-lifecycle.yml
- type: Conformance
  url: conformance/sumble-conformance.yml
- type: DataModel
  url: data-model/sumble-data-model.yml
- type: TrustCenter
  url: security/sumble-trust-center.yml
- type: DomainSecurity
  url: security/sumble-domain-security.yml
- type: AgenticAccess
  url: agentic-access/sumble-agentic-access.yml
- type: Website
  url: https://sumble.com/
- type: LLMsTxt
  url: llms/sumble-root-llms.txt
- type: ToolCrosswalk
  url: mcp/sumble-tool-crosswalk.yml
- type: WellKnown
  url: well-known/sumble-well-known.yml
- type: Packages
  url: packages/sumble-packages.yml
- type: RateLimits
  url: rate-limits/sumble-rate-limits.yml
- type: Plans
  url: plans/sumble-plans-pricing.yml
- type: Examples
  url: examples/sumble-examples.yml
- type: StatusPage
  url: https://status.sumble.com
- type: TrustCenter
  url: https://trust.sumble.com/
- type: GitHubOrganization
  url: https://github.com/SumbleData
- type: AgentSkill
  url: https://github.com/SumbleData/sumble-skills-public
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 15
  pass: local-v1

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