MyFitnessPal

MyFitnessPal is a nutrition and fitness tracking platform built around a food diary, calorie counting, a large branded-food and barcode database, exercise logging, weight and body measurements, and goal setting. Its partner-facing REST API (v2, hosted at api.myfitnesspal.com) lets approved applications read and write a consenting user's diary (food and exercise), body measurements, and profile, and subscribe to webhook notifications when that data changes. Access uses OAuth 2.0 authorization-code grants with the diary, measurements, private-exercises, and subscriptions scopes. The developer program is currently closed to new applicants. This profile was surfaced as a portfolio lead and enriched by the API Evangelist pipeline.

MyFitnessPal is listed with 1 API on the APIs.io network: API v2. Tagged areas include Company, Consumer, Health and Fitness, Nutrition, and Fitness Tracking.

The MyFitnessPal catalog on APIs.io includes 1 event-driven AsyncAPI specification.

MyFitnessPal’s developer surface includes documentation, API reference, engineering blog, support, pricing, signup flow, and 12 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

42.3/100 developing ▬ flat Agent 20/100 agent aware Front door AI 2/6 trace Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessSelf serve

1 API 2 Agent Skills

Company Consumer Health and Fitness Nutrition Fitness Tracking Food Diary Wellness Webhook OAuth Authentication

Kin Score

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

Composite quality — 42.3/100 · developing

Contract Quality 8.4 / 21

Developer Ergonomics 8.0 / 17

Access Clarity 7.6 / 17

Operational Transparency 2.0 / 11

Contract Governance 0.5 / 10

Discoverability 6.2 / 9

Regulatory Posture 5.6 / 15

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 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 6 / 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 Health 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):

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
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)
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link

8 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 39.6 — up to +15.1 composite points
Contract Governance scores 4.5 — up to +11.5 composite points
Access Clarity scores 44.7 — up to +11.1 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/myfitnesspal/apis.yml: open an issue on github.com/api-evangelist/myfitnesspal 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 →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Agriculture and Food (Farm Data, Nutrition)	covered	34.5 (thin)	-	-
Health and Wellness (consumer health, fitness, wearables)	covered	34.5 (thin)	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 3

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.

OAuth

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

AsyncAPI

measured — observed by APIs.io (published)

OAuth 2.0

measured — observed by APIs.io (declared)

APIs 1

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

MyFitnessPal API v2

Partner REST API for reading and writing a consenting user's food and exercise diary, body measurements, and profile, plus webhook subscriptions for data-change notifications. O...

Agent Skills 2

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

Log a food or exercise entry to a user's diary

AGENT SKILL

Subscribe to a user's data-change webhooks and process notifications

AGENT SKILL

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

MyFitnessPal Subscription Notifications

Webhook notifications delivered by MyFitnessPal to partner applications when a subscribed user's data changes. A single POST may batch notifications about multiple items belongi...

ASYNCAPI

Security Posture 3

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

Myfitnesspal Authentication

oauth2 · 2 schemes

SECURITY

Myfitnesspal Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Myfitnesspal Vulnerability Disclosure

Bugcrowd · security.txt · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Myfitnesspal Scopes

4 scopes · authorizationCode

4 scopes

SCOPES

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

LLMsTxt

LLMsTxt

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

SecurityTxt

SecurityTxt

Security

Security

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

BlogRSS

BlogRSS

Website

Website

Blog

Blog

Source (apis.yml)

aid: myfitnesspal
name: MyFitnessPal
description: MyFitnessPal is a nutrition and fitness tracking platform built around a food diary, calorie counting, a large
  branded-food and barcode database, exercise logging, weight and body measurements, and goal setting. Its partner-facing
  REST API (v2, hosted at api.myfitnesspal.com) lets approved applications read and write a consenting user's diary (food
  and exercise), body measurements, and profile, and subscribe to webhook notifications when that data changes. Access uses
  OAuth 2.0 authorization-code grants with the diary, measurements, private-exercises, and subscriptions scopes. The developer
  program is currently closed to new applicants. This profile was surfaced as a portfolio lead and enriched by the API Evangelist
  pipeline.
url: https://raw.githubusercontent.com/api-evangelist/myfitnesspal/refs/heads/main/apis.yml
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  - scopes
  - security
  generated: '2026-11-06'
  method: derived
image: https://www.myfitnesspal.com/favicon.ico
x-type: company
x-source: vc-portfolio
x-backed-by:
- accel
- bond-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
tags:
- Company
- Consumer
- Health and Fitness
- Nutrition
- Fitness Tracking
- Food Diary
- Wellness
- Webhook
- OAuth
- Authentication
tags_raw:
- Company
- Consumer
- Health and Fitness
- Nutrition
- Fitness Tracking
- Food Diary
- Wellness
- Webhooks
- OAuth
- Authentication
apis:
- name: MyFitnessPal API v2
  description: Partner REST API for reading and writing a consenting user's food and exercise diary, body measurements, and
    profile, plus webhook subscriptions for data-change notifications. OAuth 2.0 authorization-code grant; JSON over HTTPS;
    all calls prefixed with /v2/.
  humanURL: https://myfitnesspalapi.com/docs
  baseURL: https://api.myfitnesspal.com/v2
  tags:
  - Diary
  - Measurements
  - Exercises
  - User
  - Webhook
  tags_raw:
  - Diary
  - Measurements
  - Exercises
  - Users
  - Webhooks
  properties:
  - type: Documentation
    url: https://myfitnesspalapi.com/docs
  - type: APIReference
    url: https://myfitnesspalapi.com/docs
  - type: Authentication
    url: authentication/myfitnesspal-authentication.yml
  - type: OAuthScopes
    url: scopes/myfitnesspal-scopes.yml
  - type: ErrorCatalog
    url: errors/myfitnesspal-error-codes.yml
  - type: Conventions
    url: conventions/myfitnesspal-conventions.yml
  - type: Lifecycle
    url: lifecycle/myfitnesspal-lifecycle.yml
  - type: Webhooks
    url: asyncapi/myfitnesspal-notifications-asyncapi.yml
  - type: AsyncAPI
    url: asyncapi/myfitnesspal-notifications-asyncapi.yml
  - type: X-MCPServerCandidate
    url: mcp/myfitnesspal-mcp.yml
    note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list
      derived from the published API contracts, not an existing server. The scorer already read the manifest and reported
      mcp_server correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
  - type: DataModel
    url: data-model/myfitnesspal-data-model.yml
  - type: Conformance
    url: conformance/myfitnesspal-conformance.yml
  - type: AgentSkill
    url: skills/_index.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 18
  pass: local-v1
common:
- url: https://blog.myfitnesspal.com/feed/
  type: BlogRSS
- type: Website
  url: http://www.myfitnesspal.com
- type: DeveloperPortal
  url: https://myfitnesspalapi.com
- type: Documentation
  url: https://myfitnesspalapi.com/docs
- type: APIReference
  url: https://myfitnesspalapi.com/docs
- type: Blog
  url: https://blog.myfitnesspal.com
- type: Support
  url: https://support.myfitnesspal.com
- type: Pricing
  url: https://www.myfitnesspal.com/premium
- type: SignUp
  url: https://www.myfitnesspal.com/account/create
- type: TermsOfService
  url: https://www.myfitnesspal.com/terms-of-use
- type: PrivacyPolicy
  url: https://www.myfitnesspal.com/privacy-policy
- type: SecurityTxt
  url: well-known/myfitnesspal-security.txt
- type: WellKnown
  url: well-known/myfitnesspal-well-known.yml
- type: Security
  url: https://bugcrowd.com/engagements/myfitnesspal-mbb
- type: VulnerabilityDisclosure
  url: security/myfitnesspal-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/myfitnesspal-domain-security.yml
- type: Packages
  url: packages/myfitnesspal-packages.yml
- type: LLMsTxt
  url: llms/myfitnesspal-llms.txt

MyFitnessPal API — frequently asked questions

Does MyFitnessPal have an API?

Yes. APIs.io lists 1 API from MyFitnessPal, including MyFitnessPal API v2.

How do I authenticate with the MyFitnessPal API?

MyFitnessPal uses bearer-token authentication (oauth2 · 2 schemes). The details are profiled on APIs.io as Myfitnesspal Authentication.

Is the MyFitnessPal API ready for AI agents?

MyFitnessPal has a Kin Score of 42.3 out of 100 (developing) and an Agent Readiness score of 20.3 (agent-aware), scored by API Evangelist on 2026-11-06.

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