Loops

Loops API

The Loops API is a single REST API exposing every Loops resource — contacts, contact properties, mailing lists, events, campaigns, email messages, themes, components, transactional sends, uploads, suppressions, and dedicated sending IPs. Base URL is https://app.loops.so/api/v1. Bearer-token authentication with API keys generated in Settings → API. Defaults to 10 requests/second per team with x-ratelimit-limit and x-ratelimit-remaining response headers; returns HTTP 429 when exceeded. OpenAPI 3.1 spec published at app.loops.so/openapi.yaml.

Loops API is published by Loops on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Email, Marketing, Transactional, Contacts, and Campaigns. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

GitHub OpenAPI

Documentation

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Documentation
https://loops.so/docs/api-reference/intro

Specifications

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OpenAPI
https://app.loops.so/openapi.yaml
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OpenAPI
https://app.loops.so/openapi.json
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OpenAPI
https://raw.githubusercontent.com/api-evangelist/loops-so/refs/heads/main/openapi/loops-openapi.yml

OpenAPI Specification

openapi.yaml Raw ↑