Voltage

Voltage is Bitcoin and Lightning Network money infrastructure that lets financial platforms send and receive instant, permissionless payments at scale. Its Payments API (voltageapi.com/v1) exposes wallets, payments, quotes, and lines of credit for BTC and USD settlement, backed either by a Voltage-managed line of credit or your own Lightning node. Voltage also runs managed Lightning node infrastructure (LND, Core Lightning, BTCPay Server) with macaroon-based access, webhooks for real-time payment events, a Mutinynet staging sandbox, and built-in OFAC/compliance risk screening via Amboss Reflex. The platform is SOC 2 Type II and NMLS compliant.

Voltage publishes 1 API on the APIs.io network. Tagged areas include Company, Enterprise, Bitcoin, Lightning Network, and Payments.

The Voltage catalog on APIs.io includes 2 event-driven AsyncAPI specifications.

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

🌐 Visit website 📡 Source on GitHub
54.3/100 developing ▬ flat Agent 55/100 agent ready Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
1 APIs 1 MCP Servers
CompanyEnterpriseBitcoinLightning NetworkPaymentsCryptocurrencyFinancial ServicesWalletsInfrastructureFintechNode HostingWeb3

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 54.3/100 · developing
Contract Quality 5.7 / 25
Developer Ergonomics 17.4 / 20
Commercial Clarity 10.5 / 20
Operational Transparency 7.2 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 55/100 · agent ready
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 3 / 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/voltage: 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.

Voltage Payments API

REST API for sending and receiving Bitcoin/Lightning payments. Manage wallets, create send/receive payments (BOLT11, on-chain, BIP21), lock BTC/USD exchange rates with quotes, v...

MCP Servers 1

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

voltage-mcp.yml

MCP SERVER

Event Specifications 2

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Voltage Payments Webhooks

AsyncAPI description of the Voltage Payments webhook event surface, generated by the API Evangelist enrichment pipeline from the public webhooks documentation (https://docs.volt...

ASYNCAPI

Voltage Payments Webhooks

ASYNCAPI

Security Posture 3

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

Voltage Authentication

apiKey · 2 schemes

SECURITY

Voltage Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Voltage Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Sandbox
Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference
 AsyncAPI
AsyncAPI

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 MCPServer
MCPServer
 WellKnown
WellKnown
 AgentSkill
AgentSkill

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Idempotency
Idempotency
 Lifecycle
Lifecycle
 Webhooks
Webhooks
 ErrorCatalog
ErrorCatalog
 Conformance
Conformance
 DataModel
DataModel

Scroll for all 7

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 CLI
CLI
 Packages
Packages
 SDKs
SDKs

Access & Security 6

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 Security
Security
 DomainSecurity
DomainSecurity
 Authentication
Authentication
 Compliance
Compliance
 SecurityTxt
SecurityTxt

Operate 4

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 ChangeLog
ChangeLog
 ChangeLog
ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: voltage
name: Voltage
description: Voltage is Bitcoin and Lightning Network money infrastructure that lets financial platforms send and receive
  instant, permissionless payments at scale. Its Payments API (voltageapi.com/v1) exposes wallets, payments, quotes, and lines
  of credit for BTC and USD settlement, backed either by a Voltage-managed line of credit or your own Lightning node. Voltage
  also runs managed Lightning node infrastructure (LND, Core Lightning, BTCPay Server) with macaroon-based access, webhooks
  for real-time payment events, a Mutinynet staging sandbox, and built-in OFAC/compliance risk screening via Amboss Reflex.
  The platform is SOC 2 Type II and NMLS compliant.
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/voltagecloud.png
url: https://raw.githubusercontent.com/api-evangelist/voltage/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- gv
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 22
  pass: local-v1
tags:
- Company
- Enterprise
- Bitcoin
- Lightning Network
- Payments
- Cryptocurrency
- Financial Services
- Wallets
- Infrastructure
- Fintech
- Node Hosting
- Web3
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- name: Voltage Payments API
  description: REST API for sending and receiving Bitcoin/Lightning payments. Manage wallets, create send/receive payments
    (BOLT11, on-chain, BIP21), lock BTC/USD exchange rates with quotes, view lines of credit, and subscribe to webhooks for
    payment lifecycle events. Authenticated with an environment-scoped x-api-key.
  humanURL: https://docs.voltageapi.com
  baseURL: https://voltageapi.com/v1
  tags:
  - Payments
  - Bitcoin
  - Lightning Network
  - Wallets
  properties:
  - type: Documentation
    url: https://docs.voltageapi.com
  - type: APIReference
    url: https://voltageapi.com/v1/docs
  - type: GettingStarted
    url: https://docs.voltageapi.com/developer-guide
common:
- type: VulnerabilityDisclosure
  url: security/voltage-vulnerability-disclosure.yml
- type: Security
  url: security/voltage-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/voltage-domain-security.yml
- type: Website
  url: https://voltage.cloud
- type: DeveloperPortal
  url: https://docs.voltageapi.com
- type: Documentation
  url: https://docs.voltageapi.com
- type: APIReference
  url: https://voltageapi.com/v1/docs
- type: GettingStarted
  url: https://docs.voltageapi.com/developer-guide
- type: Support
  url: https://voltage.cloud/support
- type: Blog
  url: https://voltage.cloud/blog
- type: Pricing
  url: https://voltage.cloud/pricing
- type: SignUp
  url: https://app.voltage.cloud
- type: TermsOfService
  url: https://voltage.cloud/terms
- type: PrivacyPolicy
  url: https://voltage.cloud/privacy
- type: GitHubOrganization
  url: https://github.com/voltagecloud
- type: StatusPage
  url: https://status.voltage.cloud
- type: ChangeLog
  url: https://docs.voltageapi.com/release-notes
- type: LLMsTxt
  url: llms/voltage-llms.txt
- type: Authentication
  url: authentication/voltage-authentication.yml
- type: Conventions
  url: conventions/voltage-conventions.yml
- type: Idempotency
  url: conventions/voltage-conventions.yml
- type: ChangeLog
  name: Voltage Payments changelog (artifact)
  url: changelog/voltage-changelog.yml
- type: Lifecycle
  url: lifecycle/voltage-lifecycle.yml
- type: Sandbox
  url: sandbox/voltage-sandbox.yml
- type: AsyncAPI
  url: asyncapi/voltage-payments-asyncapi.yml
- type: Webhooks
  url: asyncapi/voltage-payments-webhooks.yml
- type: MCPServer
  url: mcp/voltage-mcp.yml
- type: ErrorCatalog
  url: errors/voltage-problem-types.yml
- type: Conformance
  url: conformance/voltage-conformance.yml
- type: Compliance
  url: conformance/voltage-conformance.yml
- type: DataModel
  url: data-model/voltage-data-model.yml
- type: CLI
  url: cli/voltage-cli.yml
- type: Packages
  url: packages/voltage-packages.yml
- type: SDKs
  url: packages/voltage-packages.yml
- type: WellKnown
  url: well-known/voltage-well-known.yml
- type: SecurityTxt
  url: well-known/voltage-security.txt
- type: AgentSkill
  url: skills/_index.yml