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Sequence Invoices API

Invoice and credit note lifecycle.

Sequence Invoices API is one of 6 APIs that Sequence publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 4 operations across 3 paths, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 2024-07-30.

Requests are made against 2 base URLs: https://eu.sequencehq.com, https://sandbox.sequencehq.com.

4 operations 3 paths 2 schemas 2 GET2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
2024-07-30
Base URL
https://eu.sequencehq.com
Authentication
HTTP Basic
Contact
Resource Areas
1

Authentication & Security 1

Sequence Invoices API declares 1 security scheme for authenticating requests. It accepts HTTP basic authentication (basicAuth). By default, every request must be authenticated.

  • basicAuth — HTTP Basic authentication. The Client ID is the username and the Client Secret is the password, sent as Authorization: Basic base64(clientId:clientSecret). Cre…

Paths & Operations 4

Across 3 paths, the API surfaces 4 operations — 2 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Invoices 4

Invoice and credit note lifecycle.

GET
/invoices
List invoices
listInvoices → 200401
POST
/invoices
Create an invoice
createInvoice body → 200401422
GET
/invoices/{id}
Get an invoice
getInvoice 1 param → 200401404
POST
/invoices/{id}/finalize
Finalize an invoice
finalizeInvoice 1 param → 200401404

Schemas 2

The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are Invoice (7 properties), Error (1 property). Each schema is shown below with its type and property counts.

Error
object
Error envelope (modeled).
1 property
Invoice
object
Invoice (modeled).
7 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

sequence-hq-invoices-api-openapi.yml Raw ↑

Other APIs Sequence publishes across the network.

Sequence Billing Schedules API
Sequence Customers API
Sequence Products API
Sequence Quotes API
Sequence Usage API
Where this information came from

This is an independent, third-party profile of Sequence Invoices API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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