Catalog

api.lemonsqueezy.com

Lemon Squeezy is a payment platform purpose-built for selling digital products and SaaS. It handles payments, subscriptions, license key generation, tax compliance, and checkout experiences as a merchant of record. The API follows the JSON:API specification and supports both live and test modes.

api.lemlist.com

Lemlist is a sales engagement and outreach automation platform. Manage cold email campaigns, add and track leads through sequences, enrich contact data, send multi-channel messages (email, LinkedIn, WhatsApp), and monitor campaign performance.

api.lecto.ai

Lecto AI is a machine translation API providing fast, high-quality text and JSON translation across 90+ languages. Supports automatic language detection, batch text translation, JSON structure-preserving translation with protected keys, and account usage tracking.

api.knock.app

Knock is a notifications infrastructure platform. Trigger notification workflows, manage users and their preferences, track message delivery, build in-app feeds, and manage objects that can receive notifications.

api.jotform.com

JotForm is an online form builder. Use this API to create and manage forms, retrieve submissions, manage questions, configure webhooks, and organize forms in folders.

api.ironclad.com

Ironclad is a contract lifecycle management (CLM) platform that automates the entire contract process from creation to signature to storage. Its API enables programmatic management of contract workflows, records, approvals, and metadata for legal operations teams.

api.ipgeolocation.io

IPGeolocation provides IP-based geolocation, timezone, astronomy, and user-agent parsing APIs. Look up any IP address to get location, ISP, timezone, security threat assessment, and celestial data for any coordinates.

api.intercom.io

Intercom provides a customer messaging and support platform for managing contacts, conversations, support tickets, help center articles, companies, tags, notes, data events, and admin users. Use this API to build customer support workflows, manage user data, engage customers with targeted messages, and create self-service help documentation.

graph.facebook.com

Send and manage messages on Facebook Messenger at scale. Create automated conversations, send rich media attachments, configure bot settings, and handle bot-to-human handoffs via the Handover Protocol.

api.inngest.com

Event-driven durable execution platform. Send events to trigger serverless functions, manage function runs, and perform bulk cancellations via REST API.

api.infobip.com

Infobip is an omnichannel communication platform for sending SMS, WhatsApp, Viber, RCS, MMS, and email messages. Use this API to send transactional and promotional messages, manage delivery reports, receive inbound messages, and manage communication resources across multiple channels worldwide.

api.imgix.com

imgix provides a Management API for managing sources, assets, and purges, plus a Rendering API for real-time image processing via URL parameters. Transform, optimize, and deliver images by appending query parameters for resize, crop, format conversion, text overlays, and effects.

router.huggingface.co

Hugging Face Inference API provides serverless access to thousands of open-source AI models. It supports chat completion, text generation, image generation, embeddings, text classification, zero-shot classification, summarization, translation, question answering, audio transcription, image classification, and object detection through an OpenAI-compatible interface.

api.hubspot.com

HubSpot Marketing API lets you manage marketing events, record attendance, send transactional emails, and create forms for lead capture. Full CRUD operations on events, forms, and email templates.

api.hubapi.com

HubSpot is an all-in-one CRM platform for marketing, sales, and customer service. Manage contacts, companies, deals, tickets, engagements, and pipelines through a comprehensive REST API.

api.hotjar.com

Hotjar is a behavior analytics and user feedback platform. View heatmaps, session recordings, survey responses, and feedback to understand how users interact with your website.

api.helpscout.net

Help Scout is a customer support platform built around shared email inboxes. The Mailbox API lets you manage conversations, customers, mailboxes, users, teams, tags, workflows, webhooks, and access detailed reports.

api.hellosign.com

HelloSign (now Dropbox Sign) is an electronic signature platform. Use this API to send documents for signing, track signature request status, download completed signed PDFs, manage reusable signing templates, and handle embedded signing workflows.

heapanalytics.com

Heap is a digital insights platform that automatically captures every user interaction. Track custom events server-side, manage user and account properties, and delete user data for compliance.

api.hasura.io

Hasura gives you instant GraphQL and REST APIs on your databases. Use this API to manage metadata, run GraphQL queries, execute raw SQL, and configure event triggers.