Google Voice
Google Voice is a telecommunications service by Google that provides call forwarding, voicemail, text messaging, and voice calling for personal and Google Workspace business accounts. While Google Voice does not offer an official standalone REST API, voice services can be managed programmatically through the Google Workspace Admin SDK for provisioning users, assigning numbers, and managing locations. Google Voice integrates with Google Workspace for enterprise telephony management.
Google Voice publishes 2 API contracts indexed on the APIs.io network: Locations API and Users API. Tagged areas include Google Voice, Messaging, Phone, Telecommunications, and Voice.
The Google Voice catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Google Voice’s developer surface includes developer portal, getting-started guide, documentation, authentication, pricing, support, engineering blog, and 12 more developer resources.
Kin Score
Standards implemented 1
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 2
Individual APIs this provider publishes, each with its own machine-readable definition.
Google Voice Locations API
Manage Google Voice locations
Google Voice Users API
Manage Google Voice user assignments
Postman Collections 2
Ready-to-run Postman collections for exercising this provider's APIs.
Google Voice Locations API
POSTMANOpen Collections 3
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Google Voice Locations API
OPEN COLLECTIONGoogle Voice Locations Users API
OPEN COLLECTIONGoogle Voice API
OPEN COLLECTIONGoogle Voice API pricing
Not yet checked against Google Voice's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.
| Plan | Price |
|---|---|
| Free freemium | Free |
| Professional paid | Free |
| Enterprise enterprise | — |
Plan details, limits and sources →
Rate limits
- Free Tier Default: 10 requests per minute
- Free Tier Monthly Quota: 1000 requests per month
- Professional Tier Default: 100 requests per minute
Compiled by API Evangelist, not yet checked against Google Voice's documentation. All 5 limits →
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Google Voice Rate Limits
RATE LIMITSService Levels 1
Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.
Google Voice
SLAFinOps 1
Cost, billing, and metering signals for API financial operations.
Google Voice Finops
FINOPSSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Google Voice Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Google Voice — jsonschema rules
SPECTRALJSON Schema 1
Standalone JSON Schema definitions for this provider's data models.
Google Voice API Schema
JSON SCHEMASecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
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 1
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 5
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Source (apis.yml)
Google Voice API — frequently asked questions
Does Google Voice have an API?
Yes. APIs.io lists 2 APIs from Google Voice, including Google Voice Locations API and Google Voice Users API.
Is there an OpenAPI specification for the Google Voice API?
Yes. APIs.io indexes 2 OpenAPI specifications for Google Voice, each linked for download from this page.
How do I authenticate with the Google Voice API?
Google Voice uses bearer-token authentication.
How much does the Google Voice API cost?
APIs.io lists 3 pricing plans for Google Voice, with each plan's price, limits and inclusions under Pricing on this page.
Is the Google Voice API ready for AI agents?
Google Voice has a Kin Score of 40.6 out of 100 (developing) and an Agent Readiness score of 22.7 (agent-aware), scored by API Evangelist on 2026-11-06.
Work with this as data
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