Callboard.fm

Callboard.fm provides booking intelligence for independent concert promoters, offering market fit scores, venue size estimates, ticket pricing, and risk flags for artists in specific cities. Users can input an artist and city to receive a concise brief that helps assess the viability of a concert, supported by data on over 340 markets and 8 million artists. The service aims to streamline decision‑making for promoters seeking to book shows efficiently and profitably.

Callboard.fm is listed with 1 API on the APIs.io network. Tagged areas include Music, Concerts, Booking, Intelligence, and Promoters.

Callboard.fm’s developer surface includes pricing, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

19.1/100 emerging Agent 0/100 human only Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

1 API

Music Concerts Booking Intelligence Promoters

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 19.1/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 1.0 / 17

Access Clarity 9.2 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.5 / 10

Discoverability 5.6 / 9

Regulatory Posture 2.2 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 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):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
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)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

13 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 0.0 — up to +25.0 composite points
Developer Ergonomics scores 6.0 — up to +18.8 composite points
Operational Transparency scores 0.0 — up to +13.0 composite points

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.

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/callboard-fm/apis.yml: open an issue on github.com/api-evangelist/callboard-fm 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 →

APIs 1

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

Callboard API

AI-powered concert booking brief engine

Callboard.fm API pricing

Prices published by Callboard.fm, read 2026-11-03 from www.callboard.fm/pricing.

Plan	Price
Scout	$79/mo
Buyer	$199/mo
Company	$499/mo
Enterprise	Custom plans start around $2,500/month

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Callboard Fm Plans Pricing

4 plans

PLANS

Security Posture 1

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

Callboard Fm Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Conformance

Conformance

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 4

Pricing, plans, and the legal terms of use

Plans

TermsOfService

PrivacyPolicy

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: callboard-fm
name: Callboard.fm
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: low
  probe_state: gated
  source:
  - plans
  - security
  generated: '2026-11-06'
  method: derived
image: https://www.callboard.fm/opengraph-image?1cf1a0ed2e5596d7
description: Callboard.fm provides booking intelligence for independent concert promoters, offering market fit scores, venue
  size estimates, ticket pricing, and risk flags for artists in specific cities. Users can input an artist and city to receive
  a concise brief that helps assess the viability of a concert, supported by data on over 340 markets and 8 million artists.
  The service aims to streamline decision‑making for promoters seeking to book shows efficiently and profitably.
url: https://artifacts.apis.io/callboard-fm/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-03 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-03'
modified: '2026-11-03'
tags:
- Music
- Concerts
- Booking
- Intelligence
- Promoters
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/callboard-fm-plans-pricing.yml
- type: Conformance
  url: conformance/callboard-fm-conformance.yml
- type: Hosts
  url: hosts/callboard-fm-hosts.yml
- type: Vendors
  url: vendors/callboard-fm-vendors.yml
- type: TermsOfService
  url: https://www.callboard.fm/terms
- type: PrivacyPolicy
  url: https://www.callboard.fm/privacy
- type: Pricing
  url: https://www.callboard.fm/pricing
- type: Login
  url: https://www.callboard.fm/sign-in
- type: Documentation
  url: https://www.callboard.fm/docs/mcp
- type: Blog
  url: https://www.callboard.fm/blog
- type: DomainSecurity
  url: security/callboard-fm-domain-security.yml
- type: Website
  url: https://callboard.fm/
apis:
- name: Callboard API
  description: AI-powered concert booking brief engine
  humanURL: https://www.callboard.fm/docs/mcp
  baseURL: https://api.callboard.fm
  aid: callboard-fm:callboard-api
x-coverage:
  state: gated
  reason: partner-login
  method: derived
  generated: '2026-11-03'
  generator: derive-coverage.py (pre-flight evidence)
  detail: the company serves an API surface but requires credentials before any description of it can be read
  evidence:
  - url: https://api.callboard.fm/openapi.json
    status: null
  - url: https://api.callboard.fm/mcp
    status: 401
  - url: https://callboard.fm/
    status: 200
x-enrichment:
  date: '2026-11-03'
  status: enriched
  artifacts_added: 10
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Callboard.fm API — frequently asked questions

Does Callboard.fm have an API?

Yes. APIs.io lists 1 API from Callboard.fm, including Callboard API.

How much does the Callboard.fm API cost?

Callboard.fm publishes its prices; its Scout plan is $79/mo as of 2026-11-03. APIs.io lists 4 pricing plans for Callboard.fm, with each plan's price, limits and inclusions under Pricing on this page.

Is the Callboard.fm API ready for AI agents?

Callboard.fm has a Kin Score of 19.1 out of 100 (emerging) and an Agent Readiness score of 0.0 (human-only), scored by API Evangelist on 2026-11-06.

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