API design, testing & docs Tools & Software
API design, testing & docs is part of Developer Tools on PulseGate. PulseGate tracks 878 API design, testing & docs products — 6 indexed in the past week, most recently NumroQ.

NumroQ provides a REST API and WordPress plugins for adding numerology and astrology calculators to websites.
gs1belu-mpm-upload-mcp is an MCP server exposing GS1 Belgium & Luxembourg product upload API as an agent-safe tool.
<p> tips: Due to flatpak sandbox limitations, please do not check for upgrades within the application.
aiopynetbox is a fully async Python client library for the NetBox API built on httpx.
Operto is a Ruby gem providing an HTTP client and operations for the Operto Teams API.
pytruenas is a typed Python client and CLI for the TrueNAS middleware API.
pfmsoft-eve-sd is a CLI and API tool for downloading and using Eve Online static data.

Confinia provides an EU-hosted API for historical and current administrative boundaries across Europe.
pyshock is a Python library and CLI for interacting with the PiShock and OpenShock APIs.
kiprio-mcp is a CLI and MCP server offering 23 API tools for Claude and MCP clients.
ovf-data-mcp is a CLI tool for agent-friendly access to Hungarian water-management datasets.
payabli is a Ruby library for accessing the Payabli API from Ruby applications.
talocode-searchlane provides an agent web search and research API with structured queries and multi-source citations for developers.
Exchange Rate API provides real-time currency conversion rates for financial and business applications.
IP Blacklist Lookup API checks if an IP address is listed on major blocklists for security and reputation monitoring.
HTML to Image API converts HTML and CSS into high-quality PNG or JPEG images via a REST endpoint.
HTML to PDF API converts HTML or URLs into high-quality PDF documents via a REST endpoint.
HTML to Text API extracts clean plain text from HTML content, removing tags and scripts.
Image to Text API provides AI-powered OCR for extracting text from images via API.
IP Lookup API provides geolocation, geocoding, and timezone data for IP addresses and locations.
apiverve-ascii85encoder is a Python package and API for encoding and decoding data using ASCII85/Base85.
NameIntel is an API and MCP server for scoring brand names across multiple dimensions.
Sealium provides an API for validating electronic signatures, certificate chains, and timestamps on documents.
Hookmetry is a webhook debugging and testing platform for developers and teams.
esheria provides global, citation-backed regulatory intelligence via API, CLI, and Python SDK.
mac-calendar-mcp is a read-only MCP server for Mac Calendar with indexed archive search.
mac-mail-mcp is an MCP server for Mac Mail with full-text search and large mailbox reliability.
webclaw provides a web scraping API and CLI tool for extracting structured data for LLMs and AI agents.
À Pierre is a fast, focused API testing tool built for developers who don't need a 400MB Electron app just to send a GET request.
satd is a Bitcoin Core-compatible full node in Rust with a streaming event consumption API for developers.
Tinypaste is a minimal public Markdown pastebin with API and self-hosting support.
inky-email is a Ruby gem that converts simple HTML with custom components into email-safe table markup.
PixelVault offers agent-first image hosting with API and CLI tools for developers and AI agents.
publishing_platform_api_adapters provides adapters for working with Publishing Platform APIs in Ruby.
Wire is an API platform providing managed APIs for websites and services lacking official endpoints.
ApiPass provides unified API access to multiple leading AI models at reduced pricing for developers.
Free Exchange Rate API provides real-time currency conversion data for developers via a RESTful API.
CEQUENS Voice API provides programmable voice communication features for developers and businesses.
Drips Diary provides an API and developer documentation for integrating its services into applications.
Identibyte provides an API for classifying and validating disposable and free email addresses.

Koinju provides institutional-grade crypto market data and reporting APIs for finance professionals.
Reacher is an open-source email verification API for developers.
Currencystack provides a developer API for real-time and historical foreign exchange rates and currency conversion.
IsTempMail provides an API and WordPress plugin to detect and block disposable email addresses.
AZcaptcha provides an AI-powered captcha solving API for automation, testing, and accessibility workflows.
Aspose.PDF Cloud for cURL is a REST API and CLI tool for creating and managing PDFs in the cloud.

ignite Platform by digitalML is an API and service catalog for enterprise digital transformation.
tableau-graphql-mcp is a Python package for querying Tableau lineage via the Metadata API using MCP clients.
StackPort is an open-source AWS resource browser for emulators and real AWS environments.
deepgram-msteams-bridge connects Deepgram Voice Agent to Microsoft Teams calls via a media bridge protocol.