Byteport

Byteport is a San Francisco-based file transfer acceleration company (Y Combinator W2026) that moves large datasets across the internet using DART (Dynamic Accelerated Record Transfer), a proprietary protocol the company reports as typically 10x faster than TCP and up to 1000-1500x faster over unreliable cellular or satellite links. The Byteport API lets developers copy, move, pull, share, and list files across connected storage providers such as Amazon S3, Google Drive, Dropbox, and Box at scales from 1GB to 100TB with zero network configuration, targeting robotics, satellite, AI/ML, SaaS data-distribution, and defense workloads.

Byteport publishes 1 API on the APIs.io network. Tagged areas include Company, File Transfer, Data Transfer, Acceleration, and Cloud Storage.

Byteport’s developer surface includes documentation, API reference, pricing, signup flow, support, authentication, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub

28.4/100 emerging ▬ flat Agent 29/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.5

AccessSelf serve

1 APIs 1 MCP Servers

CompanyFile TransferData TransferAccelerationCloud StorageRoboticsArtificial IntelligenceSatelliteInfrastructureY Combinator

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.5

Composite quality — 28.4/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 9.6 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 9.3 / 10

Agent readiness — 29/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 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

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/byteport: 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 1

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

Byteport API

REST API to copy, move, pull, share, and list files across connected storage providers (Amazon S3, Google Drive, Dropbox, Box and more) using the DART acceleration protocol. Bea...

MCP Servers 1

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

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

LLMsTxt

LLMsTxt

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: byteport
name: Byteport
description: Byteport is a San Francisco-based file transfer acceleration company (Y Combinator W2026) that moves large datasets
  across the internet using DART (Dynamic Accelerated Record Transfer), a proprietary protocol the company reports as typically
  10x faster than TCP and up to 1000-1500x faster over unreliable cellular or satellite links. The Byteport API lets developers
  copy, move, pull, share, and list files across connected storage providers such as Amazon S3, Google Drive, Dropbox, and
  Box at scales from 1GB to 100TB with zero network configuration, targeting robotics, satellite, AI/ML, SaaS data-distribution,
  and defense workloads.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://github.com/getbyteport.png
url: https://raw.githubusercontent.com/api-evangelist/byteport/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-tier: profiled
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- File Transfer
- Data Transfer
- Acceleration
- Cloud Storage
- Robotics
- Artificial Intelligence
- Satellite
- Infrastructure
- Y Combinator
apis:
- name: Byteport API
  description: REST API to copy, move, pull, share, and list files across connected storage providers (Amazon S3, Google Drive,
    Dropbox, Box and more) using the DART acceleration protocol. Bearer API-key auth over https://api.byteport.com.
  humanURL: https://docs.byteport.com/api-reference
  baseURL: https://api.byteport.com
  tags:
  - File Transfer
  - Cloud Storage
  - Acceleration
  properties:
  - type: APIReference
    url: https://docs.byteport.com/api-reference
  - type: Authentication
    url: authentication/byteport-authentication.yml
  - type: Conventions
    url: conventions/byteport-conventions.yml
  - type: ErrorCatalog
    url: errors/byteport-problem-types.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/byteport-domain-security.yml
- type: DeveloperPortal
  url: https://docs.byteport.com
- type: Documentation
  url: https://docs.byteport.com
- type: APIReference
  url: https://docs.byteport.com/api-reference
- type: Website
  url: https://byteport.com
- type: Pricing
  url: https://byteport.com/pricing
- type: SignUp
  url: https://app.byteport.io
- type: Login
  url: https://app.byteport.io
- type: TermsOfService
  url: https://byteport.com/legal/terms-of-service
- type: PrivacyPolicy
  url: https://byteport.com/legal/privacy-policy
- type: Support
  url: https://byteport.com/contact
- type: GitHubOrganization
  url: https://github.com/getbyteport
- type: Authentication
  url: authentication/byteport-authentication.yml
- type: Conventions
  url: conventions/byteport-conventions.yml
- type: ErrorCatalog
  url: errors/byteport-problem-types.yml
- type: Lifecycle
  url: lifecycle/byteport-lifecycle.yml
- type: Conformance
  url: conformance/byteport-conformance.yml
- type: MCPServer
  url: mcp/byteport-mcp.yml
- type: LLMsTxt
  url: llms/byteport-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence