Cleartax

Cleartax (operating as Clear, clear.in) is an Indian fintech and financial-compliance automation platform that provides tax, GST, and e-invoicing software for individuals, tax professionals, and over 4,000 enterprises. Clear exposes a suite of developer APIs through its documentation portal at docs.cleartax.in, including the Clear Finance Cloud (CFC) ingestion APIs, the GST 2.0 / GSP filing API, the Max ITC input-tax-credit reconciliation API, the GLS API, the E-Invoicing and E-Waybill APIs (with government IRP/NIC-compatible endpoints and DSC signing), the Invoicing API, and KSA (Saudi Arabia) e-invoicing APIs. APIs authenticate with a client secret exchanged for an access token and run against production (api.clear.in) and sandbox (api-sandbox.clear.in) hosts.

Cleartax publishes 5 APIs on the APIs.io network. Tagged areas include Company, Tax, GST, E-Invoicing, and Compliance.

Cleartax’s developer surface includes documentation, API reference, getting-started guide, support, pricing, signup flow, authentication, and 15 more developer resources.

33.2/100 thin Agent 24/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
5 APIs 0 Features
CompanyTaxGSTE-InvoicingComplianceFintechAccountingIndiaFinancial AutomationGovernment

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 33.2/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 12.2 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 2.1 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 24/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
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 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 3 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/cleartax: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs

Clear E-Invoicing & E-Waybill API

Generate, cancel, and retrieve GST e-invoices (IRN) and e-waybills, including government IRP/NIC-compatible endpoints, DSC PDF signing, and bulk operations.

Clear GST 2.0 API

ASP/GSP GST filing API for uploading documents and filing G1-G9 returns via Clear's GST Suvidha Provider integration.

Clear Finance Cloud (CFC) API

Document ingestion APIs for sale and purchase documents via file upload (pre-signed URL) with access-token authentication and ingestion-status tracking.

Clear Max ITC API

Input Tax Credit (ITC) reconciliation API: upload purchase documents, trigger the Max ITC workflow, and fetch reconciliation results.

Clear Invoicing API

Create sale and non-sale documents, download document PDFs, and retrieve document details for invoicing workflows.

Resources

Get Started 4

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Build 2

SDKs, sample code, and the tooling you integrate with

Access & Security 5

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Source (apis.yml)

apis.yml Raw ↑
aid: cleartax
name: Cleartax
description: Cleartax (operating as Clear, clear.in) is an Indian fintech and financial-compliance automation platform that
  provides tax, GST, and e-invoicing software for individuals, tax professionals, and over 4,000 enterprises. Clear exposes
  a suite of developer APIs through its documentation portal at docs.cleartax.in, including the Clear Finance Cloud (CFC)
  ingestion APIs, the GST 2.0 / GSP filing API, the Max ITC input-tax-credit reconciliation API, the GLS API, the E-Invoicing
  and E-Waybill APIs (with government IRP/NIC-compatible endpoints and DSC signing), the Invoicing API, and KSA (Saudi Arabia)
  e-invoicing APIs. APIs authenticate with a client secret exchanged for an access token and run against production (api.clear.in)
  and sandbox (api-sandbox.clear.in) hosts.
url: https://raw.githubusercontent.com/api-evangelist/cleartax/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://github.com/ClearTax.png
tags:
- Company
- Tax
- GST
- E-Invoicing
- Compliance
- Fintech
- Accounting
- India
- Financial Automation
- Government
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- name: Clear E-Invoicing & E-Waybill API
  description: Generate, cancel, and retrieve GST e-invoices (IRN) and e-waybills, including government IRP/NIC-compatible
    endpoints, DSC PDF signing, and bulk operations.
  humanURL: https://docs.cleartax.in/cleartax-docs/e-invoicing-api/introduction-to-e-invoicing-api
  baseURL: https://api.clear.in
  properties:
  - type: APIReference
    url: https://docs.cleartax.in/cleartax-docs/e-invoicing-api/e-invoicing-api-reference
- name: Clear GST 2.0 API
  description: ASP/GSP GST filing API for uploading documents and filing G1-G9 returns via Clear's GST Suvidha Provider integration.
  humanURL: https://docs.cleartax.in/cleartax-docs/gst-api/introduction-to-gst-api
  baseURL: https://api.clear.in
  properties:
  - type: APIReference
    url: https://docs.cleartax.in/cleartax-docs/gst-api/gst-2.0-api-reference
- name: Clear Finance Cloud (CFC) API
  description: Document ingestion APIs for sale and purchase documents via file upload (pre-signed URL) with access-token
    authentication and ingestion-status tracking.
  humanURL: https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/introduction-to-clear-finance-cloud
  baseURL: https://api.clear.in
  properties:
  - type: APIReference
    url: https://docs.cleartax.in/cleartax-docs/clear-finance-cloud/cfc-api-reference
- name: Clear Max ITC API
  description: 'Input Tax Credit (ITC) reconciliation API: upload purchase documents, trigger the Max ITC workflow, and fetch
    reconciliation results.'
  humanURL: https://docs.cleartax.in/cleartax-docs/max-itc-api/introduction-to-max-itc-api
  baseURL: https://api.clear.in
  properties:
  - type: APIReference
    url: https://docs.cleartax.in/cleartax-docs/max-itc-api/max-itc-api-reference
- name: Clear Invoicing API
  description: Create sale and non-sale documents, download document PDFs, and retrieve document details for invoicing workflows.
  humanURL: https://docs.cleartax.in/cleartax-docs/invoicing-api/invoicing-api-reference
  baseURL: https://api.clear.in
common:
- type: VulnerabilityDisclosure
  url: security/cleartax-vulnerability-disclosure.yml
- type: Security
  url: well-known/cleartax-security.txt
- type: DomainSecurity
  url: security/cleartax-domain-security.yml
- type: DeveloperPortal
  url: https://docs.cleartax.in/cleartax-docs
- type: Documentation
  url: https://docs.cleartax.in/cleartax-docs
- type: APIReference
  url: https://docs.cleartax.in/cleartax-docs/e-invoicing-api/e-invoicing-api-reference
- type: GettingStarted
  url: https://docs.cleartax.in/cleartax-docs/max-itc-api/getting-started-with-max-itc-api
- type: Support
  url: https://www.clear.in/s/contact-us
- type: GitHubOrganization
  url: https://github.com/ClearTax
- type: Pricing
  url: https://www.clear.in/s/pricing
- type: SignUp
  url: https://app.clear.in
- type: TermsOfService
  url: https://www.clear.in/meta/terms
- type: PrivacyPolicy
  url: https://www.clear.in/meta/privacy
- type: Postman
  url: https://docs.cleartax.in/cleartax-docs/max-itc-api/max-itc-api-reference/max-itc-apis/postman-collection
- type: LLMsTxt
  url: llms/cleartax-llms.txt
- type: WellKnown
  url: well-known/cleartax-well-known.yml
- type: SecurityTxt
  url: well-known/cleartax-security.txt
- type: Authentication
  url: authentication/cleartax-authentication.yml
- type: Sandbox
  url: sandbox/cleartax-sandbox.yml
- type: Conventions
  url: conventions/cleartax-conventions.yml
- type: Lifecycle
  url: lifecycle/cleartax-lifecycle.yml
- type: ErrorCatalog
  url: errors/cleartax-error-codes.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence