Catalog

api.freshbooks.com

FreshBooks is a cloud-based accounting and invoicing platform for freelancers and small businesses. The API lets you manage clients, create and send invoices, track expenses, log time entries, and handle payments programmatically.

api.machines.dev

Fly.io runs applications on servers close to users worldwide. Deploy containers as Fly Machines, manage persistent volumes, configure networking, and scale globally via the Machines API.

edge.api.flagsmith.com

Open-source feature flag and remote config service. Retrieve flag states per environment or identity, manage traits, and administer projects, environments, flags, and segments via the Admin API.

identitytoolkit.googleapis.com

Firebase Authentication REST API for managing user identity. Sign up and sign in users with email/password, OAuth providers, custom tokens, or anonymously. Send password reset and email verification messages, exchange refresh tokens, manage user profiles, and delete accounts.

api.easypost.com

Shipping API for address verification, shipment creation, label generation, tracking, insurance, and batch processing across USPS, UPS, FedEx, DHL, and more.

api.dub.co

Open-source link management platform. Shorten URLs, track analytics, manage custom domains, create QR codes, and run A/B tests on short links.

api.dropboxapi.com

Dropbox is a cloud file storage and synchronization service. The API lets you upload, download, organize, search, and share files and folders stored in a user's Dropbox account programmatically.

www.docusign.net

DocuSign eSignature is an electronic signature platform for sending, signing, and managing documents and agreements. The REST API provides programmatic access to create and send envelopes (signature requests), manage recipients, work with templates, track envelope status, download signed documents, and manage account settings.

api.docspring.com

DocSpring is a PDF generation API that fills data into pre-configured PDF templates. Upload PDF templates with fillable fields via the dashboard, then use the API to merge data into templates and generate completed PDFs. Supports synchronous and asynchronous generation, batch operations, data collection requests, and template versioning. Ideal for invoices, contracts, certificates, and tax forms.

hub.docker.com

Docker Hub is the world's largest container image registry. Search, manage, and distribute container images, repositories, tags, and organizations.

api.dnsimple.com

DNSimple provides DNS hosting, domain registration, and SSL certificate management. Use this API to manage domains, DNS records, registrations, SSL certificates, contacts, and webhooks.

api.deepl.com

DeepL provides neural machine translation with best-in-class quality for over 30 languages. It supports text and document translation, custom glossaries for consistent terminology, formality control, language listing, and usage monitoring.

api.deepgram.com

AI-powered speech-to-text, text-to-speech, and text intelligence APIs. Sub-300ms transcription with support for 100+ languages, speaker diarization, sentiment analysis, and entity detection.

api.letsdeel.com

Deel is a global HR and payroll platform for hiring and paying remote workers in 150+ countries. The API provides programmatic access to contracts, people management, payments, invoices, timesheets, milestones, EOR (Employer of Record) services, and organizational data. Use it to automate the full contractor and employee lifecycle from onboarding through payroll.

api.datadoghq.com

Datadog is a monitoring and analytics platform for cloud infrastructure, applications, and logs. Query metrics, manage monitors and dashboards, search logs, handle incidents, and run synthetic tests through the API.

api.cronofy.com

Cronofy provides a unified calendar synchronization API that connects to Google Calendar, Microsoft Outlook, Apple iCloud, and Exchange calendars. Use this API to read and manage events, check availability, create scheduling links, send smart calendar invites, and receive push notifications for calendar changes.

api.crisp.chat

Crisp is a customer messaging platform that lets you manage live chat conversations, support inboxes, and customer profiles. Use it to send and receive messages, resolve conversations, and maintain a unified view of your contacts across channels.

api.coursera.org

Coursera is an online learning platform offering courses, specializations, and degrees from top universities and companies. Its Catalog API provides public read access to the course catalog, instructor profiles, and partner institutions. Useful for searching and browsing educational content programmatically.

api.copper.com

Copper is a CRM designed for Google Workspace. Manage leads, people, companies, opportunities, projects, tasks, activities, and custom fields with deep Gmail and Google Calendar integration for relationship-driven sales teams.

api.convex.dev

Convex is a reactive backend-as-a-service platform. Use this HTTP API to run queries, mutations, and actions against your Convex deployment.