Lightspark Exchange Rates API
Endpoints for retrieving cached foreign exchange rates. Rates are cached for approximately 5 minutes and include platform-specific fees.
Lightspark Exchange Rates API is one of 22 APIs that Lightspark publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Exchange Rates. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 1 operation across 1 path, and defines 8 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 Exchange Rates 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 1
Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.
Endpoints for retrieving cached foreign exchange rates. Rates are cached for approximately 5 minutes and include platform-specific fees.
Schemas 8
The contract defines 8 schemas that model the data the API accepts and returns. The most detailed are ExchangeRate (10 properties), Error401 (4 properties), Error500 (4 properties), Currency (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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