Service Directory

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, and manage reusable signing templates. Supports multiple signers, form fields, and legally binding e-signatures.

payments.braintree-api.com

Braintree is a full-stack payment gateway owned by PayPal. It enables you to accept credit cards, debit cards, PayPal, Venmo, Apple Pay, and Google Pay in your app or website. Braintree handles PCI compliance, tokenization, and vault storage so you never touch raw card numbers. It supports transactions, customer management, subscriptions, and client token generation for Drop-in UI integration.

heapanalytics.com

Heap is a digital insights platform that automatically captures every user interaction. Analyze user behavior, build funnels, and identify friction points without manual event instrumentation.

api.hasura.io

Hasura gives you instant GraphQL and REST APIs on your databases. Use this API to manage your Hasura project metadata, run GraphQL queries, track tables, manage permissions, and configure event triggers.

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.bigcommerce.com

BigCommerce is an enterprise e-commerce platform providing REST APIs to manage online stores. Agents can programmatically manage products, orders, customers, carts, and categories across BigCommerce storefronts.

api.beehiiv.com

Beehiiv is a newsletter platform built for growth. Use it to manage subscribers, create and publish posts, segment your audience, track analytics, and run referral programs. It supports bulk operations and automation journeys.

api.gumroad.com

Creator commerce platform for selling digital products, memberships, and subscriptions. Manage products, track sales analytics, verify software licenses, and handle subscriber relationships.

3.basecampapi.com

Basecamp is a project management and team collaboration platform. Use this API to create and manage projects, todolists, todos, messages, and coordinate with team members in a centralized workspace.

api.balena-cloud.com

Balena is a container-based IoT fleet management platform. It lets you deploy, manage, and monitor fleets of Linux devices running Docker containers, with capabilities for remote device actions, environment variable configuration, and release management.

api.groq.com

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

api.bamboohr.com

BambooHR is a cloud-based human resources platform for managing employee data, time-off requests, and company directories. The API enables programmatic access to employee records, time-off management, job information, and organizational reporting.

api.backblazeb2.com

Backblaze B2 is a low-cost cloud object storage service. The API allows you to create buckets, upload and download files, list bucket contents, and manage stored objects at a fraction of the cost of other cloud providers.

harvest.greenhouse.io

Greenhouse is an applicant tracking system (ATS) for managing recruiting and hiring workflows. Use the Harvest API to list and search candidates, manage job postings, track applications through hiring stages, add new candidates, and view scheduled interviews. Authentication uses Basic auth where the API key is the username with an empty password (base64 encode 'apikey:').

api.gotenberg.dev

Gotenberg is a developer-friendly, Docker-powered API for converting documents to PDF. It uses Chromium for HTML/URL/Markdown-to-PDF conversion and LibreOffice for Office document conversion. It can also merge multiple PDFs. Gotenberg is typically self-hosted; the base_url should be replaced with your own instance URL.

api.attio.com

Attio is a flexible, data-driven CRM. Manage custom objects, people, companies, lists, and notes with powerful filtering and a relationship-first approach to customer data.

api2.arduino.cc

Arduino IoT Cloud is a platform for connecting, managing, and monitoring Arduino and third-party IoT devices. It organizes devices into 'things' with typed properties (variables) that sync between hardware and cloud, and provides dashboards for visualization and control.

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.fusionauth.io

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

api.fullstory.com

FullStory is a digital experience intelligence platform. Capture user sessions, analyze behavior with heatmaps and funnels, and identify UX issues with frustration signals and error tracking.