Callable

Callable provides an API that enables AI agents to outsource verification tasks to human operators. Agents can submit tasks such as account verification, KYC checks, or platform sign‑ins, and receive structured JSON results with optional screenshots. The service supports Stripe’s Machine Payments Protocol for seamless, no‑redirect payments, and offers a public registration endpoint without prior API keys. Pricing is pay‑as‑you‑go at $39 per verification.

Callable publishes 2 API contracts indexed on the APIs.io network, including API API, and 1 more. Tagged areas include Account Verification, KYC, AI Agents, Identity Verification, and Stripe MPP.

The Callable catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Callable’s developer surface includes documentation, getting-started guide, signup flow, and 15 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

29.5/100 thin Agent 22/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

1 published contract 1 MCP Servers 1 Agent Skills

Account Verification KYC AI Agents Identity VerificationStripe MPP

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 29.5/100 · thin

Contract Quality 10.9 / 21

Developer Ergonomics 3.9 / 17

Access Clarity 3.2 / 17

Operational Transparency 0.0 / 11

Contract Governance 2.2 / 10

Discoverability 5.5 / 9

Regulatory Posture 1.3 / 15

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →

8 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 19.1 — up to +16.2 composite points Ask about this →
Developer Ergonomics scores 23.2 — up to +15.4 composite points Ask about this →
Operational Transparency scores 0.0 — up to +13.0 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/getcallable-dev/apis.yml: open an issue on github.com/api-evangelist/getcallable-dev to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

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.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

OpenAPI

measured — observed by APIs.io (published)

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

Callable API

Callable API as described in OpenAPI spec.

Callable API API

Humans as a function for AI agents. Submit real-world tasks (phone calls, UGC video, form filling, account verification, authentic posting) to vetted human operators and receive...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Callable MCP Server

Remote MCP server at getcallable.dev.

MCP SERVER

Agent Skills 1

Packaged agent skills for driving this provider's APIs from an AI assistant.

create-task

AGENT SKILL

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Getcallable Dev Context

3 classes · 17 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

Callable API Rules

41 rules · 39 error-severity 1 warn-severity 1 info-severity

SPECTRAL

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

TaskRequest

9 properties

JSON SCHEMA

TaskResponse

6 properties

JSON SCHEMA

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Callable Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

MCPServer

MCPServer

WellKnown

WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

Conformance

DataModel

ErrorCatalog

Build 1

SDKs, sample code, and the tooling you integrate with

ToolCrosswalk

ToolCrosswalk

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: getcallable-dev
name: Callable
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-11-13'
  method: derived
image: https://storage.googleapis.com/gpt-engineer-file-uploads/ODHq5tr1q4TbpoO03xBSfc6Ceuo1/social-images/social-1777810084917-Callable.webp
description: Callable provides an API that enables AI agents to outsource verification tasks to human operators. Agents can
  submit tasks such as account verification, KYC checks, or platform sign‑ins, and receive structured JSON results with optional
  screenshots. The service supports Stripe’s Machine Payments Protocol for seamless, no‑redirect payments, and offers a public
  registration endpoint without prior API keys. Pricing is pay‑as‑you‑go at $39 per verification.
url: https://artifacts.apis.io/getcallable-dev/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-09 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-09'
modified: '2026-11-09'
tags:
- Account Verification
- KYC
- AI Agents
- Identity Verification
- Stripe MPP
tags_raw:
- account verification
- KYC
- AI agents
- API
- identity verification
- Stripe MPP
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Spectral
  url: rules/getcallable-dev-rules.yml
- type: JSONLD
  url: json-ld/getcallable-dev-context.jsonld
- type: Vocabulary
  url: vocabulary/getcallable-dev-vocabulary.yml
- type: Conformance
  url: conformance/getcallable-dev-conformance.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/getcallable-dev-data-model.yml
- type: ErrorCatalog
  url: errors/getcallable-dev-problem-types.yml
- type: ToolCrosswalk
  url: mcp/getcallable-dev-tool-crosswalk.yml
- type: MCPServer
  url: mcp/getcallable-dev-mcp.yml
- type: WellKnown
  url: well-known/getcallable-dev-well-known.yml
- type: Hosts
  url: hosts/getcallable-dev-hosts.yml
- type: Vendors
  url: vendors/getcallable-dev-vendors.yml
- type: DomainSecurity
  url: security/getcallable-dev-domain-security.yml
- type: Website
  url: https://getcallable.dev/
- type: Documentation
  url: https://getcallable.dev/docs
- type: GettingStarted
  url: https://getcallable.dev/signup
- type: PrivacyPolicy
  url: https://getcallable.dev/privacy
- type: SignUp
  url: https://getcallable.dev/signup
apis:
- name: Callable API
  description: Callable API as described in OpenAPI spec.
  humanURL: https://getcallable.dev/docs
  baseURL: https://getcallable.dev
  aid: getcallable-dev:callable-api
- aid: getcallable-dev:callable-api-api
  name: Callable API API
  description: 'Humans as a function for AI agents. Submit real-world tasks (phone calls, UGC video, form filling, account
    verification, authentic

    posting) to vetted human operators and receive structured results.'
  humanURL: https://getcallable.dev/openapi.json
  baseURL: https://getcallable.dev
  properties:
  - type: OpenAPI
    url: openapi/_original/getcallable-dev-api-openapi.json
  - type: JSONSchema
    url: json-schema/getcallable-dev-task-request-schema.json
  - type: JSONSchema
    url: json-schema/getcallable-dev-task-response-schema.json
x-enrichment:
  date: '2026-11-09'
  status: enriched
  artifacts_added: 23
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Callable API — frequently asked questions

Does Callable have an API?

Yes. APIs.io lists 2 APIs from Callable, including Callable API and Callable API API.

Is there an OpenAPI specification for the Callable API?

Yes. APIs.io indexes 1 OpenAPI specification for Callable, each linked for download from this page.

How do I authenticate with the Callable API?

Callable uses bearer-token authentication.

Does Callable have an MCP server?

Yes. APIs.io lists 1 MCP server for Callable: Remote MCP server at getcallable.dev.

Is the Callable API ready for AI agents?

Callable has a Kin Score of 29.5 out of 100 (thin) and an Agent Readiness score of 22.2 (agent-aware), scored by API Evangelist on 2026-11-13.

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