APIs MCP servers RegistryNew Agent frameworks Agent stack

Home
APIs
Email Marketing
SlashLead API
APIs

SlashLead APIs

Email Marketing

API explorer Request tracking

Suggest a correction

Overview
APIs
Integrations
Specs
Technologies
Products
Guides
Alternatives

Browse the recorded SlashLead APIs and open their documentation.

Email Marketing

Links

Website
Terms
Privacy policy

Did you spot any incorrect or missing data?
Let us know.

Which APIs do you want to follow?

Tell us which APIs and SDKs matter to you and what changes you want to track.

Request API tracking→

The directory for building with APIs and AI.

Built and maintained by the Apideck team ↗.

Find the API. Explore the MCP. Build what’s next.

How we organize the directory ↗

Discover

All APIs
Recently added APIs
New MCPs
SDK Power Rankings
API categories
API aggregators
MCP servers
Claude connectors
Cursor plugins
AI agent stack
Agent frameworks
LLM routers
API status
AI provider status

Build

MCP Connect
Browse MCPs
MCP explorer
MCP setup guides
Developer tools
LLM cost calculator
LLM price watch
Compare APIs
Developer guides
Resources
API statistics
MCP statistics
MCP growth

Contribute

Submit an API or MCP
Your listing requests
Advertise
Our methodology
Developers and agents
Suggest a correction

Apideck

About Apideck
Unified APIs
Developer documentation
Portman

Disclaimer: We do our best to ensure that the data we release is complete, accurate, and useful. However, because we are not able to verify all the data, and because the processing required to make the data useful is complex, we cannot be held liable for omissions or inaccuracies.

© 2026 API Tracker. An Apideck product.

Product names and logos belong to their respective owners.

Search API Tracker

Find an API, MCP server, framework, or tool

Curated starting points

AnthropicBuild assistants that reason, write code, and use tools with the Claude API.AI models
ApideckConnect accounting and ERP software through unified APIs and give agents access through MCP.Business APIs
FirecrawlTurn websites into structured data and readable content for AI applications.Search & data
ExaSearch the web and retrieve page content for AI research and agent workflows.Search & data
SupabaseConnect AI tools to your Supabase projects to query data and manage development workflows.Developer tools
StripeGive AI assistants access to Stripe tools for payments and business operations through MCP.Business APIs
HuskAsk Claude or ChatGPT about company spend, subscriptions, invoices and runway through Husk’s MCP server.Business APIs
ElevenLabsAdd speech generation, transcription, and conversational voice experiences to your app.Voice & audio
ResendSend transactional emails from your application with an API built for developers.Business APIs
CohereBuild enterprise AI with language models, embeddings, and reranking for retrieval workflows.AI models
PineconeStore and search vector data to retrieve relevant context for AI applications.Search & data
TavilySearch the web and extract content for research agents and AI applications.Search & data

↑ ↓ navigate · Enter openBrowse all APIs MCP servers