Verify the answer.
Preserve the proof.
Monitor the truth.

Send us any AI-generated company answer. CompanyProof identifies the factual claims, verifies and corrects them, attaches official evidence—and tells you when a published claim stops being true.

Verify an answer See the evidence lifecycle

400+ official registries200+ countries1 evidence ledger

POST /v2/claims/verify INTERACTIVE DEMO

CLAIMS EXTRACTED FROM ANSWERMICROSOFT CORPORATIONUS · 600413485

prf_example_01J62E8A

1 Verified1 Corrected2 Evidenced

✓

Company statusverified

Active

CompanyProof example · retrieved now

Incorporation datecorrected

~~1976-04-04~~1975-04-04

CompanyProof example · retrieved now

A company fact is only trustworthy when you know what proved it—and whether it is still true.

Automatic claim extractionCorrected answersTimestamped evidenceChange webhooks

LIVE COMPANYPROOF INTELLIGENCE

Ask broadly.
Verify precisely.

Use natural language to discover company profiles, directors, ownership, financials and KYB data. CompanyProof then uses deterministic records and provenance for every claim that needs a defensible verdict.

Discover

Adaptive intelligence understands the question and selects the right company-data tools.

Verify

CompanyProof validates required modules and completes missing evidence deterministically.

Monitor

The evidence ledger keeps watching the source after publication.

COMPANYPROOF · ADAPTIVE + STRUCTUREDLIVE

Ready for a live company intelligence question.

One question can route across the company intelligence layer.

The API streams progress, source data and a written answer as it works.

FROM GENERATION TO CONTINUOUS PROOF

One endpoint.
Four controls.

CompanyProof does not replace your AI. It gives every material company fact a verifiable lifecycle before and after publication.

Explore the complete workflow →

Send the answer

Pass the complete AI-generated response and the company identity. No manual field mapping.

answer: “Acme is active…”

Verify and correct

CompanyProof extracts factual claims, resolves the entity and checks the required data modules.

verdict: contradicted

Preserve the proof

Every claim receives its value, source URL, retrieval time and immutable verification ID.

proof_id: 01J62E8A

Monitor the truth

When the registry changes, we compare it with the published claim and send a webhook.

event: claim.stale

THE EVIDENCE LEDGER

True when published is not the same as true today.

CompanyProof remembers exactly what your system published, the evidence that supported it and the moment it was verified. The record stays connected to the source after the answer leaves your application.

One persistent record per factual claim
Source name, link and retrieval timestamp
Published value and corrected value
Monitoring status and complete change history

Explore the ledger

EVIDENCE RECORDclm_01J62E8A

MONITORING

Published claim

“Microsoft Corporation is an active company.”

✓

29 AUG 2026 · 08:42 UTCClaim verified

Value “Active” matched the company record.

CompanyProof example

◎

22 AUG 2026 · 08:42 UTCEvidence preserved

Source, value and timestamp stored under the claim ID.

↻

CONTINUOUSWatching the source

CompanyProof checks new registry filings against the published value.

NOT ANOTHER COMPANY PROFILE

The platform tells an analyst what is true now. CompanyProof protects what software has already said.

STANDARD COMPANY LOOKUPCOMPANYPROOF ENDPOINT

A user searches for a company→A system sends an AI answer

Returns the current company record→Returns claim-level verdicts and corrections

The analyst interprets the data→Software publishes, blocks or rewrites automatically

The search ends when the user leaves→The evidence record keeps monitoring the source

INTEGRATIONS + MCP

Give your model a verification tool—not another browser tab.

Connect OpenAI, Claude Code, LangChain or any Streamable HTTP MCP client to the same proof and monitoring workflow.

Open the integrations hub →

MODEL / AGENTCompany answer

→

MCPverify_company_claims

→

COMPANYPROOFProof + monitoring

COMPANY DATA GROUNDING INDEX

Which AI systems can support a company fact with proof?

A quarterly benchmark for entity resolution, factual accuracy, freshness and official evidence. The methodology is public; model scores remain withheld until the founding evidence audit is complete.

Review the index methodology →

100-POINT SCOREMETHOD v1.0

Factual accuracy40

Evidence fidelity25

Temporal accuracy20

Entity resolution15

BUILT INTO THE COMPANY INTELLIGENCE LAYER

Verify once.
Stay correct.

Use the verify endpoint before an answer is published. CompanyProof selects the required identity, ownership, officer or financial data modules, then keeps monitored claims connected to live update feeds.

Full-answer claim extractionCompany entity resolutionField-level evidence lineageIdempotent proof IDsPolicy-ready verdictsSigned change webhooks

VERIFY REQUEST

POST /v2/claims/verify
{
  "company": { "name": "Acme Ltd", "country": "GB" },
  "answer": "Acme Ltd is active and owned by Northstar plc.",
  "monitor": true
}

WEBHOOK · CLAIM BECOMES STALE

event: claim.stale
{
  "claim_id": "clm_01J62E8A",
  "field": "company_status",
  "published_value": "Active",
  "current_value": "Dissolved",
  "source": "Companies House"
}

MONTHLY PRICING

Start small. Prove the workflow. Scale when the evidence matters.

Each plan includes a clear monthly claim allowance. When it is reached, verification pauses—there are no surprise automatic overage charges.

FreeUS$0per month

Verify real company facts against live data, with 10 free claim checks each month.

10 live claim credits per month
Claim extraction and corrections
Live API key and evidence workspace
No monitoring or production SLA

Create free account↗

StarterUS$99per month

Start verifying live company facts with a small monthly allowance.

250 live claim credits per month
30 API requests per minute
Monitoring and signed webhooks
Monthly subscription; cancel anytime

Start Starter↗

Know what proved it.
Know when it changes.

Start at US$99 / month

CompanyProof · company intelligence with durable evidence

Verify the answer.Preserve the proof.Monitor the truth.

Ask broadly.Verify precisely.

One endpoint.Four controls.