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plainrouter-sdk is the official Ruby SDK for PlainRouter’s signed OpenAPI contract. Gem 0.1.0 targets signed API contract 0.5.0 and exposes a compact client over the generated API. The source is in plainrouter/sdk. Review release notes before upgrading while the gem remains in the 0.x series.

Requirements

  • Ruby 3.2 or newer.
  • A per-Signal tracker secret for production Conversion API operations.
  • Server-side code. Do not put the tracker secret in browser or distributed client code.

Install

Install plainrouter-sdk 0.1.0:
Or add the gem to your Gemfile, then run bundle install:

Create an authenticated client

Pass the Signal tracker secret when you create the client:
The client sends the tracker secret as a bearer token. It does not read credentials from the environment automatically.

Choose an API group

Generated models, API errors, configuration, response metadata, and every generated operation remain available under PlainRouter::OpenAPI.

Verify Signal ingestion

The operation is idempotent. A repeated verification returns the existing event with duplicate: true.

Try the zero-auth sandbox

Create a client without a token for sandbox discovery:
Sandbox operations accept only identity-free synthetic data. They do not read or write the production Signal ledger and do not contact an advertising provider. Read Try the API without an account before submitting a synthetic request.

Configure another API origin or timeout

The default API base URL is https://plainrouter.com/api/v1 and the default timeout is 30 seconds. Override either value only for a PlainRouter-provided region or a controlled test environment:

Handle credentials safely

The Ruby SDK accepts a Signal tracker secret for production Conversion API calls. It does not accept an MCP workspace token or OAuth management credential. Keep the secret in server-side credential storage. Never include it in prompts, URLs, logs, source control, or client-side code. For request and response fields, use the Conversion API reference.