Nomos Invoices API
The Invoices API from Nomos — 3 operation(s) for invoices.
Nomos Invoices API is one of 12 APIs that Nomos publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.
Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification, an AsyncAPI specification, API documentation, and an API reference.
This API exposes 3 operations across 3 paths, and defines 14 schemas. It is described by OpenAPI 3.0.0, at version 2026-05-27.curie.
Requests are made against a single base URL, https://api.nomos.energy.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
Nomos Invoices API declares
2 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (JWT) (Bearer).
It accepts HTTP basic authentication (Basic).
Paths & Operations 3
Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.
Schemas 14
The contract defines 14 schemas that model the data the API accepts and returns. The most detailed are UsageInvoice (16 properties), VoidInvoice (16 properties), PrepaymentInvoice (15 properties), ErrPaymentRequired (5 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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Other APIs Nomos publishes across the network.