Lightspark
Lightspark builds global money-movement infrastructure on open payment networks. Its developer product is the Grid API — a dated-version REST API (OpenAPI 3.1, 104 paths, 564 schemas, 12 webhooks) for cross-border payouts, on/off-ramps, stablecoins, embedded wallets, card issuing, KYC/KYB verification and payments to Universal Money Addresses ($user@domain). Grid is unusually agent-native: it ships a first-class agent surface with device-code credentials, per-agent policy and human-in-the-loop approvals, a hosted MCP server, a published Claude agent skill, an open-source CLI, and generated TypeScript and Kotlin SDKs. Lightspark also operates the Spark and UMA protocol stacks and is backed by a16z, Matrix Partners, Paradigm and Ribbit Capital.
Solid contracts, transparent operations, and an easy start — typically complete on four or five facets with one clear soft spot.
API Evangelist profiles Lightspark the way a machine reads it — 30 machine-readable artifacts across 22 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Lightspark scores 69.5/100 (strong), with a separate agent-readiness read of 84/100 (agent native). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Lightspark
Each block below is one kind of artifact we hold for Lightspark. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 22
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Lightspark Agent Management API
Endpoints for creating and managing agents (experimental), called by the partner's backend using platform credentials. Covers the full agent lifecycle: creation, policy configur...
Lightspark Agent Operations API
Endpoints called by the agent itself using its own credentials (obtained via device code redemption). Scoped to the agent's associated customer — all requests automatically oper...
Lightspark API Tokens API
Endpoints to programmatically manage API tokens
Lightspark Available UMA Providers API
The Available UMA Providers API from Lightspark — 1 operation(s) for available uma providers.
Lightspark Cards API
Card management endpoints. Issue debit cards against an internal account, freeze / unfreeze, close, manage card funding sources, and list card transactions.
Lightspark Contact Verification API
Endpoints for verifying a customer's email and phone via one-time codes. Required only for customers whose payment provider mandates contact verification (e.g. EU customers); ot...
Lightspark Cross-Currency Transfers API
Endpoints for creating and confirming quotes for cross-currency transfers
Lightspark Customers API
Customer management endpoints for creating and updating customer information
Lightspark Discoveries API
Endpoints for discovering available payment rails, banks, and providers for a given country and currency corridor.
Lightspark Documents API
Endpoints for uploading and managing verification documents for customers and beneficial owners. Supports KYC and KYB document requirements.
Lightspark Embedded Wallet Auth API
Endpoints for registering and verifying end-user authentication credentials (email OTP, OAuth, passkey) used to sign Embedded Wallet actions.
Lightspark Exchange Rates API
Endpoints for retrieving cached foreign exchange rates. Rates are cached for approximately 5 minutes and include platform-specific fees.
Lightspark External Accounts API
External account management endpoints for creating and managing external bank accounts
Lightspark Internal Accounts API
Internal account management endpoints for creating and managing internal accounts
Lightspark Invitations API
Endpoints for creating, claiming and managing UMA invitations
Lightspark KYC/KYB Verifications API
Endpoints for Know Your Customer (KYC) and Know Your Business (KYB) verification, including managing beneficial owners and triggering verification for customers.
Lightspark Platform Configuration API
Platform configuration endpoints for managing global settings. You can also configure these settings in the Grid dashboard.
Lightspark Same-Currency Transfers API
Endpoints for transferring funds between internal and external accounts with the same currency
Lightspark Sandbox API
Endpoints to trigger test cases in sandbox
Lightspark Stablecoins API
Stablecoin issuance endpoints. Link provider accounts, register provider-created stablecoins, create mint/burn quotes, execute them, and track the resulting operations.
Lightspark Strong Customer Authentication API
Endpoints for authorizing money-movement operations that require Strong Customer Authentication. Relevant only for customers in a region where SCA is required (e.g. EU); custome...
Lightspark Transactions API
Endpoints for retrieving transaction information
Scroll within the panel for all 22 ·
MCP Servers 1
Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.
Model Context Protocol servers that expose these APIs to AI agents.
lightspark-mcp.yml
MCP SERVEREvent Specifications 1
Not every API is request/response. AsyncAPI describes the event-driven and streaming side — the webhooks and channels — so the asynchronous half of the interface is documented the same way the synchronous half is.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Lightspark Grid Webhooks
ASYNCAPISpectral Rules 1
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Lightspark API Rules
SPECTRALSecurity Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Resources
Every other property we hold for Lightspark — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 5
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 5
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
Scroll within the panel for all 7 ·
Build 4
SDKs, sample code, and the tooling you integrate with
Access & Security 6
Authentication, authorization, and security posture
Operate 6
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/lightspark · machine-readable index on apis.io