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); other providers return 409.
Lightspark Contact Verification API is one of 22 APIs that Lightspark publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Contact Verification. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 4 operations across 4 paths, and defines 10 schemas. It is described by OpenAPI 3.1.0, at version 2025-10-13.
Requests are made against a single base URL, https://api.lightspark.com/grid/2025-10-13.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 3
Lightspark Contact Verification API declares
3 security schemes
for authenticating requests.
It accepts HTTP basic authentication (BasicAuth).
It accepts HTTP bearer tokens (AgentAuth).
An API key is passed in the header as X-Grid-Signature (WebhookSignature).
By default, every request must be authenticated.
BasicAuth— API token authentication using format :AgentAuth— Bearer token authentication for agent-scoped endpoints. The token is the accessToken returned when redeeming a device code via POST /agents/device-codes/{code}…WebhookSignature— Secp256r1 (P-256) asymmetric signature of the webhook payload, which can be used to verify that the webhook was sent by Grid. To verify the signature: 1. Get t…
Paths & Operations 4
Across 4 paths, the API surfaces 4 operations — 4 POST. Each is listed below with its method, path, parameters, and response codes.
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); othe…
Schemas 10
The contract defines 10 schemas that model the data the API accepts and returns. The most detailed are Customer (12 properties), Error401 (4 properties), Error400 (4 properties), Error500 (4 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Lightspark 12
Other APIs Lightspark publishes across the network.
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