Bump

Bump Technologies was a Mountain View, California mobile software company (2008-2014) behind Bump, an iOS and Android app that let two people exchange contacts, photos and files by physically bumping their phones together. Bump servers correlated accelerometer, location and network signals from two handsets to match the pair, then brokered the transfer. The company published a first-party Bump API and iOS/Android SDKs so third-party apps could embed the same proximity-matching handshake. Backed by Y Combinator, Sequoia Capital and a $16M Series B led by Andreessen Horowitz in January 2011, Bump was acquired by Google in September 2013 and both the app and its developer API were discontinued on January 31, 2014. The company's bu.mp domain still serves its shutdown notice and the archived SDK repositories remain public under the bumptech GitHub organization; there is no live API surface.

Bump is profiled on the APIs.io network. Tagged areas include Company, Mobile, File Sharing, Data Transfer, and Proximity.

🌐 Visit website 📡 Source on GitHub

0.0/100 minimal Agent 0/100 human only library Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0

0 APIs

Company Mobile File Sharing Data Transfer Proximity SDK Defunct Acquired

Kin Score

Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0

Composite quality — 0.0/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.0 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 0.0 / 9

Regulatory Posture 0.9 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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/bump: 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 →

Security Posture 1

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

Bump Domain Security

no transport/DNS hardening detected

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

Packages

SourceCode

SourceCode

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: bump
deliveryModel:
  model: library
  license_evidence:
    not_product:
    - bumptech/bump-api-android
    - bumptech/bump-api-ios
  open_source: unknown
  commercial: false
  callable_host: false
  label: Library · distributed through package registries, no callable service
  confidence: low
  source:
  - repository-not-product
  generated: '2026-09-25'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/bump.png
name: Bump
description: Bump Technologies was a Mountain View, California mobile software company (2008-2014) behind Bump, an iOS and
  Android app that let two people exchange contacts, photos and files by physically bumping their phones together. Bump servers
  correlated accelerometer, location and network signals from two handsets to match the pair, then brokered the transfer.
  The company published a first-party Bump API and iOS/Android SDKs so third-party apps could embed the same proximity-matching
  handshake. Backed by Y Combinator, Sequoia Capital and a $16M Series B led by Andreessen Horowitz in January 2011, Bump
  was acquired by Google in September 2013 and both the app and its developer API were discontinued on January 31, 2014. The
  company's bu.mp domain still serves its shutdown notice and the archived SDK repositories remain public under the bumptech
  GitHub organization; there is no live API surface.
url: https://raw.githubusercontent.com/api-evangelist/bump/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
x-tier: stub
x-tier-reason: portfolio-lead
x-status: defunct
x-status-detail: Acquired by Google (2013-09-16); app and developer API discontinued 2014-01-31. No live API surface.
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Mobile
- File Sharing
- Data Transfer
- Proximity
- SDK
- Defunct
- Acquired
apis: []
common:
- type: IssueTracker
  url: https://github.com/bumptech/bump-api-ios/issues
- type: Website
  name: Bump (shutdown notice)
  url: http://bu.mp/
- type: GitHubOrganization
  name: Bump Technologies on GitHub
  url: https://github.com/bumptech
- type: Packages
  name: Bump SDKs (archived)
  url: packages/bump-packages.yml
- type: SourceCode
  name: Bump API iOS SDK (archived)
  url: https://github.com/bumptech/bump-api-ios
- type: SourceCode
  name: Bump API Android SDK (archived)
  url: https://github.com/bumptech/bump-api-android
- type: Lifecycle
  name: Bump lifecycle and shutdown record
  url: lifecycle/bump-lifecycle.yml
- type: DomainSecurity
  name: Bump domain security probe
  url: security/bump-domain-security.yml
- type: LLMsTxt
  name: Bump llms.txt
  url: llms/bump-llms.txt
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 4
  pass: local-v1
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io

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