Catalog

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.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.

{project}.hasura.app

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. There is no central api.hasura.io host — each Hasura Cloud project has its own endpoint at https://{project}.hasura.app.

api.gusto.com

Gusto is a cloud-based payroll, benefits, and HR platform for small and mid-size businesses. The API lets you manage companies, employees, contractors, payroll runs, and tax filings programmatically. It supports both embedded payroll integrations and standalone app connections.

api.gumroad.com

Gumroad is a creator commerce platform for selling digital products, memberships, and subscriptions. The API allows managing products, retrieving sales analytics, verifying software licenses, handling subscribers, and managing offer codes.

api.groq.com

Groq provides ultra-fast LLM inference with an OpenAI-compatible API. Generate chat completions, transcribe audio, and translate audio to English using models like Llama 3.3, Mixtral, and Whisper. Groq's custom LPU hardware delivers the fastest token generation speeds available.

harvest.greenhouse.io

Greenhouse is an applicant tracking system (ATS) for managing recruiting and hiring workflows. The Harvest API (v3) provides programmatic access to candidates, job postings, applications, interviews, scorecards, offers, and organizational data via OAuth 2.0. Use it to automate recruiting pipelines, sync candidate data, manage interview scheduling, and track hiring metrics.

api.gotenberg.dev

Gotenberg is a developer-friendly, Docker-powered API for converting documents to PDF and taking screenshots. It uses Chromium for HTML/URL/Markdown-to-PDF conversion and screenshots, LibreOffice for Office document conversion, and PDF engines for merging and metadata operations. Gotenberg is self-hosted; replace the base_url with your own instance URL.

api.goshippo.com

Multi-carrier shipping API with 40+ providers. Create shipments, compare rates, purchase labels, track packages, handle customs, and manage carrier accounts.

api.gocardless.com

GoCardless is a global direct debit payment platform that lets you collect recurring and one-off payments directly from customer bank accounts. It supports SEPA Direct Debit, Bacs, ACH, BECS, and other local bank debit schemes across 30+ countries, with lower fees than card payments and reduced churn from failed payments.

api.github.com

GitHub provides a comprehensive REST API for managing repositories, issues, pull requests, actions workflows, organizations, users, gists, releases, and more. Use this API to automate development workflows, manage code repositories, track issues, review pull requests, trigger CI/CD pipelines, and integrate with the GitHub ecosystem.

{your-fusionauth-host}

FusionAuth is a self-hostable identity and access management platform. It provides APIs for user registration, login, JWT management, multi-factor authentication, application management, tenant configuration, group management, passwordless login, and consent tracking.

api.fullstory.com

FullStory is a digital experience intelligence platform. Capture user sessions, track server-side events, manage user records, create timeline annotations, and generate AI-powered session summaries.

api2.frontapp.com

Front is a collaborative inbox platform that unifies email, SMS, chat, and social messages into shared team inboxes. Use it to manage conversations, assign teammates, tag threads, and maintain a centralized contact database.

domain.freshsales.io

Freshsales is a CRM by Freshworks for sales teams. Manage contacts, accounts, deals, notes, tasks, appointments, and sales activities with AI-powered lead scoring.

api.freshdesk.com

Freshdesk is a cloud-based customer support and helpdesk platform by Freshworks. The API lets you manage support tickets, contacts, companies, and knowledge base articles. It supports multi-channel ticketing from email, phone, chat, and social media in a single unified inbox.