SimpleLogin API
62
AI ReadinessAI-Aware (B-)62/100
Official vendor OpenAPI document · agent-readyCRMContact ManagementapiKey25 EndpointsREST
For Agents
Programmatically user authentication, two-factor authentication. Covers 25 operations with apiKey authentication.
Use for: I need to user authentication, I want to two-factor authentication, Search for register a new account, Find all confirm new account with activation code
Not supported: Does not handle payments, communications, or developer tools - use for crm only.
API for SimpleLogin email alias service. Provides endpoints for authentication, managing email aliases, mailboxes, contacts, custom domains, and user settings. The API exposes 25 endpoints secured with apiKey authentication.
Install Jentic One Beta
Connect the SimpleLogin API to your agent
Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the SimpleLogin API, or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.
Two steps, two machines. Install the instance in a safe environment, then register your agent from wherever it runs.
1
Step 1: Jentic One Host machine
# On the machine that will host your Jentic One instance:
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fsimplelogin.io%2Fsimplelogin" | sh2
Step 2: Agent machine
# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fsimplelogin.io%2Fsimplelogin" | sh
jentic register # connects your agent to your Jentic One instanceJentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.
Capabilities
What an agent can do with SimpleLogin API.
User authentication
Two-factor authentication
Register a new account
Confirm new account with activation code
Request password reset
Get current user information
Update user profile
Use Cases
Patterns agents use SimpleLogin API for, with concrete tasks.
★ CRM Operations
Use the SimpleLogin API to perform crm operations programmatically. The API provides 25 endpoints covering core functionality including user authentication, two-factor authentication, register a new account.
Call POST /api/auth/login to user authentication
Automated Alias Management
Automate alias operations by combining multiple SimpleLogin API endpoints. Agents can two-factor authentication and then register a new account in a single workflow.
Call POST /api/auth/mfa to two-factor authentication, then verify the result
AI Agent Integration via Jentic
AI agents discover and call SimpleLogin API endpoints through Jentic without managing credentials directly. An agent searches for the required operation by intent, receives the matching endpoint schema, and executes the call with Jentic-managed authentication. This eliminates the need to read API documentation or handle apiKey tokens manually.
Search Jentic for 'user authentication', load the operation schema, and execute with Jentic-managed credentials
Key Endpoints
25 endpoints — api for simplelogin email alias service.
METHOD
PATH
DESCRIPTION
POST
/api/auth/login
User authentication
POST
/api/auth/mfa
Two-factor authentication
POST
/api/auth/register
Register a new account
POST
/api/auth/activate
Confirm new account with activation code
POST
/api/auth/forgot_password
Request password reset
GET
/api/user_info
Get current user information
PATCH
/api/user_info
Update user profile
GET
/api/stats
Get user statistics
POST
/api/auth/login
User authentication
POST
/api/auth/mfa
Two-factor authentication
POST
/api/auth/register
Register a new account
POST
/api/auth/activate
Confirm new account with activation code
POST
/api/auth/forgot_password
Request password reset
GET
/api/user_info
Get current user information
PATCH
/api/user_info
Update user profile
GET
/api/stats
Get user statistics
Jentic AI Readiness Score
This API is usable in Jentic One now. Its AI-readiness score against Jentic's framework shows where it stands today and where improvements would make it even easier for agents to use.
S
SimpleLogin API
- AI-Aware (B-)62/100
99
Foundational Compliance63
Developer Experience & Jentic Compatibility44
AI-Readiness & Agent Experience94
Agent Usability50
Security57
AI DiscoverabilityPowered by JenticScoring Framework 1.0.0 | Scoring Engine 0.4.0
Show dimension breakdown
99
Foundational Compliance
Base layer of spec validity and structural soundness.
Grade: A+Signals: 4
97%
Lint Results
Aggregated quality score from linter diagnostics, weighted by severity.
100%
Resolution Completeness
Percentage of `$ref` references that resolve successfully.
100%
Specification Validity
Checks whether the API description parses successfully and conforms to its declared specification (e.g., OpenAPI).
100%
Structural Integrity
Structural correctness score based on schema issues using logarithmic dampening.
63
Developer Experience & Jentic Compatibility
Clarity, completeness, and ingestion readiness for developers and tooling.
Grade: B-Signals: 4
0%
Example Density
How richly the API is illustrated with examples.
100%
Example Validity
Percentage of examples that conform to their schemas.
50%
Response Coverage
Percentage of operations with complete response definitions (success, client error, server error).
100%
Tooling Readiness
Health of API ingestion, bundling, and resolution within Jentic pipelines.
44
AI-Readiness & Agent Experience
Semantic breadth, depth, and agent comprehension for AI systems.
Grade: DSignals: 4
34%
Description Coverage
Coverage of descriptions across API elements.
0%
Error Standardization
Coverage of RFC 9457 Problem Details for error responses.
88%
OperationId Quality
Coverage, uniqueness, and casing consistency of operationIds for AI inference.
56%
Summary Coverage
Coverage of summaries across operations/tags/info.
94
Agent Usability
Functional utility, complexity comfort, and AI orchestration readiness.
Grade: A+Signals: 1
94%
Complexity Comfort
Agent comfort level based on API operational and structural complexity.
50
Security
Trust, risk posture, and security compliance.
Grade: C-Signals: 1
50%
Authentication Strength
Average quality of security schemes based on authentication method strength (weakest link for OAuth2).
57
AI Discoverability
Findability, semantic richness, and reasoning readiness.
Grade: CSignals: 1
56%
Descriptive Richness
Clarity and depth of descriptions across API elements.
Score it yourself
Every API in the directory is allowlisted, so you can re-score it with no key required.
npx @jentic/api-scorecard-cli score <openapi-url>Why Jentic?
What agents get from Jentic-routed access to this vendor.
Setup
Wiring SimpleLogin by hand means learning that its key goes in a non-standard Authentication header and carrying it across the login, MFA, and user-info calls yourself. Through Jentic you install once, import SimpleLogin from the API Directory, store the key once, and your agent calls it.
Permission scoping
SimpleLogin identifies the caller by the account behind the key rather than a resource id in the URL path, so scope the agent by operations: limit it to the operations it needs, such as reading user info or account stats, and leave out account changes like updating user settings unless you add them.
Credential isolation
Your SimpleLogin API key is stored once, encrypted, by your own Jentic One instance and injected at execution time. It never enters the agent's prompt, logs, or context.
Intent-based discovery
Agents search Jentic by intent such as 'log a user in' or 'read account stats', and Jentic returns the matching SimpleLogin operation with its input schema so the agent calls the right endpoint without browsing the reference docs.
Related APIs
Alternatives and complements available in the Jentic catalogue.
FAQs
Specific to using SimpleLogin API through Jentic.
What authentication does the SimpleLogin API use?
The SimpleLogin API uses an API key passed in the `Authentication` header. Through Jentic, these credentials are stored encrypted in your Jentic One instance and injected at execution time, so raw secrets never enter the agent context.
Can I user authentication with the SimpleLogin API?
Yes. Use the POST /api/auth/login endpoint. The API returns structured JSON responses that agents can parse and act on directly.
What are the rate limits for the SimpleLogin API?
Rate limits are not specified in the OpenAPI spec. Check the vendor documentation for current limits. Through Jentic, rate limiting is handled automatically with retry logic built into the execution layer.
How do I user authentication through Jentic?
Install the Jentic SDK with pip install jentic, authenticate through Jentic One, the self-hosted execution layer, then search for 'user authentication'. Jentic returns the matching SimpleLogin API operation with its input schema. Load the schema and execute the call - credentials are injected automatically.
How many endpoints does the SimpleLogin API have?
The SimpleLogin API exposes 25 endpoints covering alias, aliases, api_key operations.
Can I limit what my agent is allowed to do with the SimpleLogin API?
Yes. Jentic One is self-hosted by you, so your own rules decide which SimpleLogin operations and credentials the agent can use. Because SimpleLogin identifies the caller by the account behind the API key rather than a resource id in the URL, you scope the agent by operation: allow only what it needs, such as reading user info (GET /api/user_info) or account stats (GET /api/stats), and leave out account changes like updating user settings unless you add them. The stored key is injected at execution time, so the agent can call only the operations you permit.
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