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About

LinkupAPI is an outreach API for AI agents and software. Connect your users' LinkedIn, Gmail, Outlook and WhatsApp accounts, then send connection requests, messages, InMails, emails and WhatsApp messages from your product or agent, and get every reply back through real-time webhooks. It also covers prospect search, profile and company data, and email finding and verification, so an agent can find, enrich and contact leads with one API. Connect it to Claude, ChatGPT, Cursor or any MCP client through the LinkupAPI MCP server, or to n8n, Make and Zapier. Billed per connected account with unlimited usage: $55/month up to 10 accounts, then $5.50 to $4.50 per account, capped at $3,000/month for unlimited accounts.

About

Prosyo is an all-in-one B2B multichannel outbound OS for founders, agencies, and sales teams. It eliminates "franken-stacks" by combining intent data, LinkedIn automation, and cold email into a unified workflow. Key features: Intent-Led Outreach: Target buyers based on active signals. De-anonymize website visitors, track LinkedIn post engagement, monitor job changes, and capture hiring signals to trigger timely campaigns. Multichannel Sequences: Automate LinkedIn touchpoints and cold emails in one seamless flow with smart, rules-based branching. AI Integration: Connect ChatGPT or Claude (via MCP) to automatically draft hyper-personalized icebreakers based on prospect data. Unified Inbox: Manage replies across all client LinkedIn and email accounts from a single dashboard. Sequences auto-pause on reply. Agency Scale: Separate client workspaces, robust safety limits to protect accounts, and native webhooks/API.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

SaaS and AI-agent builders, sales and GTM teams, recruiting platforms and agencies that need LinkedIn, email and WhatsApp outreach through an API

Audience

Founders, Marketing Agencies, B2B Sales Teams, Consultants

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$55/month (up to 10 accounts)
Free Version Not Supported
Free Trial Not Supported

Pricing

$19/month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

LinkupAPI
France
linkupapi.com

Company Information

Prosyo
Founded: 2026
India
prosyo.com

Alternatives

SmartReach

SmartReach

SmartReach.io

Alternatives

SmartReach

SmartReach

SmartReach.io

Categories

Sales Engagement Supported

Categories

AI Sales Agents Supported
Sales Engagement Supported

Integrations

LinkedIn Not Supported

Integrations

LinkedIn Supported
Claim LinkupAPI and update features and information
Claim LinkupAPI and update features and information
Claim Prosyo and update features and information
Claim Prosyo and update features and information