ComboCurve website screenshot

ComboCurve

ComboCurve is an oil & gas well forecasting, type-curve, reserves and economics platform used by petroleum engineers, operators, private equity firms, investment banks, and mineral/royalty companies for acquisition-and-divestiture (A&D), upstream asset management, and reserves analysis. Its public REST API at https://api.combocurve.com exposes well headers, daily and monthly production data, directional surveys, forecasts, forecast configurations, econ-models (capex, expenses, differentials, escalations, depreciation, ownership reversions), economics runs, and asynchronous export jobs. Backed by Bessemer Venture Partners.

ComboCurve publishes 18 APIs on the APIs.io network, including v1 custom-columns API, v1 daily-productions API, v1 directional-surveys API, and 15 more. Tagged areas include Company, Vertical Software, Oil and Gas, Energy, and Forecasting.

ComboCurve’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, authentication, and 20 more developer resources.

🌐 Visit website 📡 Source on GitHub
47.3/100 developing ▬ flat Agent 22/100 agent aware Front door AI 1/6 silent saas Full breakdown ↓
scored 2026-09-19 · rubric v0.22.0
1 APIs
CompanyVertical SoftwareOil and GasEnergyForecastingReservesEconomicsUpstreamPetroleum Engineering

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-19 · rubric v0.22.0
Composite quality — 47.3/100 · developing
Contract Quality 11.3 / 19
Developer Ergonomics 9.6 / 15
Access Clarity 4.1 / 15
Operational Transparency 0.8 / 10
Contract Governance 0.4 / 9
Discoverability 5.7 / 8
Regulatory Posture 5.1 / 15
Create-or-Update Ergonomics 3.3 / 10
Agent readiness — 22/100 · 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 7 / 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
Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities 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 applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.
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 github.com/api-evangelist/combocurve: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 18

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

ComboCurve v1 custom-columns API

custom-columns operations

ComboCurve v1 daily-productions API

daily-productions operations

ComboCurve v1 directional-surveys API

directional-surveys operations

ComboCurve v1 econ-models API

econ-models operations

ComboCurve v1 econ-runs API

econ-runs operations

ComboCurve v1 exports API

exports operations

ComboCurve v1 forecast-configurations API

forecast-configurations operations

ComboCurve v1 forecast-daily-volumes API

forecast-daily-volumes operations

ComboCurve v1 forecast-monthly-volumes API

forecast-monthly-volumes operations

ComboCurve v1 monthly-productions API

monthly-productions operations

ComboCurve v1 ownership-qualifiers API

ownership-qualifiers operations

ComboCurve v1 projects API

projects operations

ComboCurve v1 tags API

tags operations

ComboCurve v1 users API

users operations

ComboCurve v1 well-comments API

well-comments operations

ComboCurve v1 wells API

wells operations

ComboCurve v1 wells-identifiers API

wells-identifiers operations

ComboCurve v2 exports API

exports operations

Scroll for all 18

Open Collections 19

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

ComboCurve REST v1 custom-columns API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 daily-productions API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 directional-surveys API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 econ-models API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 econ-runs API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 exports API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 forecast-configurations API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 forecast-daily-volumes API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 forecast-monthly-volumes API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 monthly-productions API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 ownership-qualifiers API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 projects API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 tags API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 users API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 well-comments API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 wells API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v1 wells-identifiers API

OPEN COLLECTION

ComboCurve REST v1 custom-columns v2 exports API

OPEN COLLECTION

Scroll for all 19

Security Posture 2

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

Combocurve Authentication

apiKey/http · 2 schemes

SECURITY

Combocurve Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

X-MCPServerCandidate
X-MCPServerCandidate
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgentSkill
AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 DataModel
DataModel
 Conformance
Conformance

Build 2

SDKs, sample code, and the tooling you integrate with

Postman
Postman
 Packages
Packages

Access & Security 2

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity

Operate 3

Status, limits, changes, and where to get help

RateLimits
RateLimits
 Support
Support
 StatusPage
StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Overlay
Overlay

Source (apis.yml)

apis.yml Raw ↑ 
aid: combocurve
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/combocurve.png
name: ComboCurve
description: ComboCurve is an oil & gas well forecasting, type-curve, reserves and economics platform used by petroleum engineers,
  operators, private equity firms, investment banks, and mineral/royalty companies for acquisition-and-divestiture (A&D),
  upstream asset management, and reserves analysis. Its public REST API at https://api.combocurve.com exposes well headers,
  daily and monthly production data, directional surveys, forecasts, forecast configurations, econ-models (capex, expenses,
  differentials, escalations, depreciation, ownership reversions), economics runs, and asynchronous export jobs. Backed by
  Bessemer Venture Partners.
url: https://raw.githubusercontent.com/api-evangelist/combocurve/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bessemer-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Vertical Software
- Oil and Gas
- Energy
- Forecasting
- Reserves
- Economics
- Upstream
- Petroleum Engineering
apis:
- aid: combocurve:combocurve-v1-custom-columns-api
  name: ComboCurve v1 custom-columns API
  description: custom-columns operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 custom-columns
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-custom-columns-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-daily-productions-api
  name: ComboCurve v1 daily-productions API
  description: daily-productions operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 daily-productions
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-daily-productions-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-directional-surveys-api
  name: ComboCurve v1 directional-surveys API
  description: directional-surveys operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 directional-surveys
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-directional-surveys-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-econ-models-api
  name: ComboCurve v1 econ-models API
  description: econ-models operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 econ-models
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-econ-models-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-econ-runs-api
  name: ComboCurve v1 econ-runs API
  description: econ-runs operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 econ-runs
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-econ-runs-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-exports-api
  name: ComboCurve v1 exports API
  description: exports operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 exports
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-exports-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-forecast-configurations-api
  name: ComboCurve v1 forecast-configurations API
  description: forecast-configurations operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 forecast-configurations
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-forecast-configurations-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-forecast-daily-volumes-api
  name: ComboCurve v1 forecast-daily-volumes API
  description: forecast-daily-volumes operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 forecast-daily-volumes
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-forecast-daily-volumes-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-forecast-monthly-volumes-api
  name: ComboCurve v1 forecast-monthly-volumes API
  description: forecast-monthly-volumes operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 forecast-monthly-volumes
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-forecast-monthly-volumes-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-monthly-productions-api
  name: ComboCurve v1 monthly-productions API
  description: monthly-productions operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 monthly-productions
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-monthly-productions-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-ownership-qualifiers-api
  name: ComboCurve v1 ownership-qualifiers API
  description: ownership-qualifiers operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 ownership-qualifiers
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-ownership-qualifiers-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-projects-api
  name: ComboCurve v1 projects API
  description: projects operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1-projects
  tags_raw:
  - v1 projects
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-projects-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-tags-api
  name: ComboCurve v1 tags API
  description: tags operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - '[v1] Tags'
  tags_raw:
  - v1 tags
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-tags-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-users-api
  name: ComboCurve v1 users API
  description: users operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 - Users
  tags_raw:
  - v1 users
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-users-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-well-comments-api
  name: ComboCurve v1 well-comments API
  description: well-comments operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 well-comments
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-well-comments-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-wells-api
  name: ComboCurve v1 wells API
  description: wells operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 wells
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-wells-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v1-wells-identifiers-api
  name: ComboCurve v1 wells-identifiers API
  description: wells-identifiers operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v1 wells-identifiers
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v1-wells-identifiers-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
- aid: combocurve:combocurve-v2-exports-api
  name: ComboCurve v2 exports API
  description: exports operations
  humanURL: https://docs.api.combocurve.com/
  baseURL: https://api.combocurve.com
  tags:
  - v2 exports
  properties:
  - type: OpenAPI
    url: openapi/combocurve-v2-exports-api-openapi.yml
  - type: Documentation
    url: https://docs.api.combocurve.com/
  - type: APIReference
    url: https://docs.api.combocurve.com/api/getting-started
  - type: GettingStarted
    url: https://docs.api.combocurve.com/api/getting-started
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Overlay
  url: overlays/combocurve-openapi-overlay.yaml
- type: Website
  url: https://combocurve.com/
- type: DeveloperPortal
  url: https://docs.api.combocurve.com/
- type: Documentation
  url: https://docs.api.combocurve.com/
- type: APIReference
  url: https://docs.api.combocurve.com/api/getting-started
- type: GettingStarted
  url: https://docs.api.combocurve.com/api/getting-started
- type: RateLimits
  url: https://docs.api.combocurve.com/api/getting-started
- type: Support
  url: https://forum.api.combocurve.com/
- type: Blog
  url: https://combocurve.com/blog/
- type: Login
  url: https://app.combocurve.com/
- type: TermsOfService
  url: https://combocurve.com/terms-of-service/
- type: PrivacyPolicy
  url: https://combocurve.com/privacy-policy/
- type: StatusPage
  url: https://status.combocurve.com/
- type: Postman
  url: https://docs.api.combocurve.com/downloads/combocurve-api.postman_collection.json
- type: Authentication
  url: authentication/combocurve-authentication.yml
- type: Conventions
  url: conventions/combocurve-conventions.yml
- type: ErrorCatalog
  url: errors/combocurve-problem-types.yml
- type: Lifecycle
  url: lifecycle/combocurve-lifecycle.yml
- type: DataModel
  url: data-model/combocurve-data-model.yml
- type: Conformance
  url: conformance/combocurve-conformance.yml
- type: Packages
  url: packages/combocurve-packages.yml
- type: X-MCPServerCandidate
  url: mcp/combocurve-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: LLMsTxt
  url: llms/combocurve-llms.txt
- type: WellKnown
  url: well-known/combocurve-well-known.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DomainSecurity
  url: security/combocurve-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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