Sendgrid Twilio SendGrid Templates API
Browse all Sendgrid APIs63
AI ReadinessAI-Aware (B)63/100
CommunicationsEmail Deliverybearer11 EndpointsREST
For Agents
Programmatically create a transactional template., retrieve paged transactional templates.. Covers 11 operations with bearer authentication.
Use for: I need to a transactional template., I want to paged transactional templates., Search for duplicate a transactional template., Find all a single transactional template.
Not supported: Does not handle payments, crm, or developer tools - use for communications only.
The Twilio SendGrid Templates API allows you to create and manage email templates to be delivered with SendGrid's sending APIs. The templates you create will be available using a template ID that is passed to our sending APIs as part of the request. Each template may then have multiple versions associated with it. Whichever version is set as "active" at the time of the request will be sent to your. The API exposes 11 endpoints secured with bearer authentication.
Install Jentic One Beta
Connect the Twilio SendGrid Templates API to your agent
Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the Twilio SendGrid Templates 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%2Fsendgrid.com%2Ftwilio-sendgrid-templates-api" | 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%2Fsendgrid.com%2Ftwilio-sendgrid-templates-api" | 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 Twilio SendGrid Templates API.
Create a transactional template.
Retrieve paged transactional templates.
Duplicate a transactional template.
Edit a transactional template.
Delete a template.
Use Cases
Patterns agents use Twilio SendGrid Templates API for, with concrete tasks.
★ Communications Operations
Use the Twilio SendGrid Templates API to perform communications operations programmatically. The API provides 11 endpoints covering core functionality including create a transactional template., retrieve paged transactional templates., duplicate a transactional template..
Call POST /v3/templates to create a transactional template.
Automated Templates Management
Automate templates operations by combining multiple Twilio SendGrid Templates API endpoints. Agents can retrieve paged transactional templates. and then duplicate a transactional template. in a single workflow.
Call GET /v3/templates to retrieve paged transactional templates., then verify the result
AI Agent Integration via Jentic
AI agents discover and call Twilio SendGrid Templates 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 bearer tokens manually.
Search Jentic for 'create a transactional template.', load the operation schema, and execute with Jentic-managed credentials
Key Endpoints
11 endpoints — the twilio sendgrid templates api allows you to create and manage email templates to be delivered with sendgrid's sending apis.
METHOD
PATH
DESCRIPTION
POST
/v3/templates
Create a transactional template.
GET
/v3/templates
Retrieve paged transactional templates.
POST
/v3/templates/{template_id}
Duplicate a transactional template.
GET
/v3/templates/{template_id}
Retrieve a single transactional template.
PATCH
/v3/templates/{template_id}
Edit a transactional template.
DELETE
/v3/templates/{template_id}
Delete a template.
POST
/v3/templates/{template_id}/versions
Create a new transactional template version.
GET
/v3/templates/{template_id}/versions/{version_id}
Retrieve a specific transactional template version.
POST
/v3/templates
Create a transactional template.
GET
/v3/templates
Retrieve paged transactional templates.
POST
/v3/templates/{template_id}
Duplicate a transactional template.
GET
/v3/templates/{template_id}
Retrieve a single transactional template.
PATCH
/v3/templates/{template_id}
Edit a transactional template.
DELETE
/v3/templates/{template_id}
Delete a template.
POST
/v3/templates/{template_id}/versions
Create a new transactional template version.
GET
/v3/templates/{template_id}/versions/{version_id}
Retrieve a specific transactional template version.
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.
T
Twilio SendGrid Templates API
- AI-Aware (B)63/100
100
Foundational Compliance60
Developer Experience & Jentic Compatibility43
AI-Readiness & Agent Experience94
Agent Usability60
Security66
AI DiscoverabilityPowered by JenticScoring Framework 1.0.0 | Scoring Engine 0.4.0
Show dimension breakdown
100
Foundational Compliance
Base layer of spec validity and structural soundness.
Grade: A+Signals: 4
98%
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.
60
Developer Experience & Jentic Compatibility
Clarity, completeness, and ingestion readiness for developers and tooling.
Grade: B-Signals: 4
13%
Example Density
How richly the API is illustrated with examples.
100%
Example Validity
Percentage of examples that conform to their schemas.
27%
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.
43
AI-Readiness & Agent Experience
Semantic breadth, depth, and agent comprehension for AI systems.
Grade: DSignals: 4
42%
Description Coverage
Coverage of descriptions across API elements.
0%
Error Standardization
Coverage of RFC 9457 Problem Details for error responses.
100%
OperationId Quality
Coverage, uniqueness, and casing consistency of operationIds for AI inference.
31%
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.
60
Security
Trust, risk posture, and security compliance.
Grade: B-Signals: 1
60%
Authentication Strength
Average quality of security schemes based on authentication method strength (weakest link for OAuth2).
66
AI Discoverability
Findability, semantic richness, and reasoning readiness.
Grade: BSignals: 1
66%
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 the Twilio SendGrid Templates API by hand means setting up its bearer token auth, choosing the right US or EU host (api.sendgrid.com or api.eu.sendgrid.com), and handling status codes yourself. Through Jentic you install once, import the Templates API from the API Directory, store the token once, and your agent calls it.
Permission scoping
The Templates API puts the template id in the URL path (/v3/templates/{template_id}/...), so a rule can pin your agent to one template. You choose the operations it may call, so destructive ones like deleting a template are not included unless you add them.
Credential isolation
Your Twilio SendGrid token 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 'create a transactional template', and Jentic returns the matching Templates 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 Twilio SendGrid Templates API through Jentic.
What authentication does the Twilio SendGrid Templates API use?
The Twilio SendGrid Templates API uses a Bearer token in the Authorization 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 create a transactional template. with the Twilio SendGrid Templates API?
Yes. Use the POST /v3/templates endpoint. The API returns structured JSON responses that agents can parse and act on directly.
What are the rate limits for the Twilio SendGrid Templates 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 create a transactional template. through Jentic?
Install the Jentic SDK with pip install jentic, authenticate through Jentic One, the self-hosted execution layer, then search for 'create a transactional template.'. Jentic returns the matching Twilio SendGrid Templates API operation with its input schema. Load the schema and execute the call - credentials are injected automatically.
How many endpoints does the Twilio SendGrid Templates API have?
The Twilio SendGrid Templates API exposes 11 endpoints covering templates, templates versions operations.
Can I limit what my agent is allowed to do with the Twilio SendGrid Templates API?
Yes. Because you run Jentic One yourself, your own rules decide which Templates API operations and credentials the agent may use. You pick the exact endpoints it can call, so read operations like GET /v3/templates stay available while destructive ones such as DELETE /v3/templates/{template_id} are excluded unless you add them. Since the template id sits in the URL path, a rule can also pin the agent to a single template so it cannot touch the others.
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