Opensense (formerly SenderGen)
Opensense (formerly SenderGen) is an email signature management platform that centrally governs email signatures, banners, and digital business cards across Microsoft 365 and Google Workspace. It lets IT enforce on-brand, compliant signatures while marketing and sales teams run targeted campaigns, track engagement, and connect to CRM and marketing platforms such as Salesforce, HubSpot, Marketo, and Outreach. Opensense is SOC 2 Type II attested, operates under GDPR and CCPA, and is the only email signature platform running inside Microsoft 365 GCC High for ITAR, DFARS, CMMC and FedRAMP-driven tenants. It advertises a REST API for custom integrations and serves an llms.txt on both its marketing and documentation hosts, but publishes no developer portal, no API reference and no machine-readable specification; API keys are issued manually by an Opensense integration specialist.
Opensense (formerly SenderGen) is profiled on the APIs.io network. Tagged areas include Company, Email Signature Management, Email Marketing, Brand Management, and Sales Enablement.
Opensense (formerly SenderGen)’s developer surface includes support, pricing, engineering blog, signup flow, documentation, authentication, and 15 more developer resources.
Kin Score
Opensense (formerly SenderGen) API pricing
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Opensense Formerly Sendergen Rate Limits
RATE LIMITSService Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
Security Posture 4
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Access & Security 6
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Source (apis.yml)
Opensense (formerly SenderGen) API — frequently asked questions
How do I authenticate with the Opensense (formerly SenderGen) API?
Opensense (formerly SenderGen) uses bearer-token authentication (3 schemes). The details are profiled on APIs.io as Opensense Formerly Sendergen Authentication.
Is the Opensense (formerly SenderGen) API ready for AI agents?
Opensense (formerly SenderGen) has a Kin Score of 28.3 out of 100 (thin) and an Agent Readiness score of 7.9 (agent-aware), scored by API Evangelist on 2026-11-06.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.