Wormhole

Wormhole is a decentralized cross-chain messaging and interoperability protocol connecting 45+ blockchain networks. It provides REST APIs for querying VAA (Verifiable Action Approval) status, native and wrapped token transfers, cross-chain operations, and Guardian Network data via the Wormholescan API. Developers can build multichain applications with the TypeScript SDK, CLI tooling, and the Connect bridging widget.

Wormhole publishes 3 APIs on the APIs.io network: Guardian API, wormhole API, and wormholescan API. Tagged areas include Cross-Chain, Blockchain, Interoperability, DeFi, and Token Transfers.

The Wormhole catalog on APIs.io includes 1 Spectral governance ruleset.

Wormhole’s developer surface includes developer portal, GitHub presence, engineering blog, status page, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

34.9/100 thin ▼ -7.8 Agent 22/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemium

7 APIs

Cross-ChainBlockchainInteroperabilityDeFiToken TransfersMessagingWeb3

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 34.9/100 · thin

Contract Quality 8.1 / 25

Developer Ergonomics 3.0 / 20

Commercial Clarity 10.0 / 20

Operational Transparency 1.4 / 13

Governance 7.0 / 12

Discoverability 8.2 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

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 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/wormhole: 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 7

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

Rate Limits 1

Documented rate limits and quota policies.

Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

JSON Schema 113

Standalone JSON Schema definitions for this provider's data models.

Scroll for all 113

Examples 74

Example request and response payloads for these APIs.

Scroll for all 74

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

github

github

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Security

Security

Operate 5

Status, limits, changes, and where to get help

Contact

Community

Forums

status

Discord

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Blog

Blog

Twitter

Twitter

Other 1

Properties that don't map to a standard resource type

explorer

explorer

Source (apis.yml)

name: Wormhole
description: 'Wormhole is a decentralized cross-chain messaging and interoperability protocol connecting 45+ blockchain networks.
  It provides REST APIs for querying VAA (Verifiable Action Approval) status, native and wrapped token transfers, cross-chain
  operations, and Guardian Network data via the Wormholescan API. Developers can build multichain applications with the TypeScript
  SDK, CLI tooling, and the Connect bridging widget.

  '
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://wormhole.com/logo.png
tags:
- Cross-Chain
- Blockchain
- Interoperability
- DeFi
- Token Transfers
- Messaging
- Web3
url: https://wormhole.com/
baseURL: https://api.wormholescan.io
apis:
- name: Wormholescan Testnet API
  description: 'Testnet version of the Wormholescan REST API for development and testing against Wormhole-supported test networks.
    Mirrors the mainnet API surface for VAAs, operations, and token transfers in a non-production environment.

    '
  humanURL: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  baseURL: https://api.testnet.wormholescan.io/api/v1
  tags:
  - Testnet
  - VAA
  - Token Transfers
  - Development
  properties:
  - type: Documentation
    url: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  contact:
  - FN: Wormhole Developer Support
    url: https://wormhole.com/contact
  meta:
  - key: environment
    value: testnet
- name: Wormhole TypeScript SDK
  description: 'Unified TypeScript SDK for building cross-chain applications on Wormhole. Supports Native Token Transfers,
    Wrapped Token Transfers, CCTP, Settlement, and core messaging/VAA handling across EVM chains, Solana, Algorand, Aptos,
    CosmWasm, and Sui.

    '
  humanURL: https://wormhole.com/docs/tools/typescript-sdk/get-started/
  baseURL: https://npmjs.com/package/@wormhole-foundation/sdk
  tags:
  - SDK
  - TypeScript
  - Cross-Chain
  - Token Transfers
  properties:
  - type: Documentation
    url: https://wormhole.com/docs/tools/typescript-sdk/get-started/
  - type: github
    url: https://github.com/wormhole-foundation/wormhole-sdk-ts
  - type: npm
    url: https://www.npmjs.com/package/@wormhole-foundation/sdk
  contact:
  - FN: Wormhole Foundation
    url: https://github.com/wormhole-foundation
  meta:
  - key: npm-package
    value: '@wormhole-foundation/sdk'
- name: Wormhole Connect Widget
  description: 'Embeddable React widget that provides a full cross-chain token transfer UI powered by Wormhole. Supports 45+
    chains and integrates Native Token Transfers, Wrapped Token Transfers, CCTP, and Settlement routing.

    '
  humanURL: https://wormhole.com/docs/products/connect/get-started/
  baseURL: https://npmjs.com/package/@wormhole-foundation/wormhole-connect
  tags:
  - Widget
  - React
  - UI
  - Token Bridge
  properties:
  - type: Documentation
    url: https://wormhole.com/docs/products/connect/get-started/
  - type: npm
    url: https://www.npmjs.com/package/@wormhole-foundation/wormhole-connect
  contact:
  - FN: Wormhole Foundation
    url: https://github.com/wormhole-foundation
  meta:
  - key: npm-package
    value: '@wormhole-foundation/wormhole-connect'
- name: Wormhole CLI
  description: 'Command-line interface for interacting with Wormhole protocol operations including token transfers, NTT deployments,
    and cross-chain messaging tasks.

    '
  humanURL: https://wormhole.com/docs/tools/cli/get-started/
  baseURL: https://npmjs.com/package/@wormhole-foundation/cli
  tags:
  - CLI
  - Developer Tools
  - Token Transfers
  - NTT
  properties:
  - type: Documentation
    url: https://wormhole.com/docs/tools/cli/get-started/
  contact:
  - FN: Wormhole Foundation
    url: https://github.com/wormhole-foundation
  meta:
  - key: tool-type
    value: cli
- aid: wormhole:wormhole-guardian-api
  name: Wormhole Guardian API
  description: The Guardian API from Wormhole — 8 operation(s) for guardian.
  humanURL: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  baseURL: https://api.wormholescan.io/api/v1
  tags:
  - Guardian
  properties:
  - type: OpenAPI
    url: openapi/wormhole-guardian-api-openapi.yml
  - type: Documentation
    url: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  - type: swagger-ui
    url: https://wormholescan.io/#/developers/api-doc
- aid: wormhole:wormhole-wormhole-api
  name: Wormhole wormhole API
  description: The wormhole API from Wormhole — 1 operation(s) for wormhole.
  humanURL: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  baseURL: https://api.wormholescan.io/api/v1
  tags:
  - wormhole
  properties:
  - type: OpenAPI
    url: openapi/wormhole-wormhole-api-openapi.yml
  - type: Documentation
    url: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  - type: swagger-ui
    url: https://wormholescan.io/#/developers/api-doc
- aid: wormhole:wormhole-wormholescan-api
  name: Wormhole wormholescan API
  description: The wormholescan API from Wormhole — 64 operation(s) for wormholescan.
  humanURL: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  baseURL: https://api.wormholescan.io/api/v1
  tags:
  - wormholescan
  properties:
  - type: OpenAPI
    url: openapi/wormhole-wormholescan-api-openapi.yml
  - type: Documentation
    url: https://wormhole.com/docs/products/messaging/guides/wormholescan-api/
  - type: swagger-ui
    url: https://wormholescan.io/#/developers/api-doc
common:
- type: AgenticAccess
  url: agentic-access/wormhole-agentic-access.yml
- type: DomainSecurity
  url: security/wormhole-domain-security.yml
- type: Portal
  url: https://wormhole.com/docs/
- type: github
  url: https://github.com/wormhole-foundation
- type: explorer
  url: https://wormholescan.io/
- type: Blog
  url: https://wormhole.com/blog/
- type: Contact
  url: https://wormhole.com/contact
- type: Community
  url: https://wormhole.com/community/hub
- type: Forums
  url: https://forum.wormhole.com/
- type: Security
  url: https://immunefi.com/bug-bounty/wormhole/
- type: status
  url: https://wormholescan.io/
- type: Twitter
  url: https://twitter.com/wormhole
- type: Discord
  url: https://discord.gg/wormholecrypto
- type: TermsOfService
  url: https://wormhole.com/terms
- type: PrivacyPolicy
  url: https://wormhole.com/privacy
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
modified: '2026-06-13'
specificationVersion: '0.19'