# Corpus > Source-traceable financial and legal data APIs for the United States, India, and China. ## Docs - [Confirm Password Reset](https://docs.onera.app/api-reference/account/confirm-password-reset.md): Set a new password using a reset code, and sign the caller in. - [Create Api Key](https://docs.onera.app/api-reference/account/create-api-key.md): Mint an API key. The secret is returned HERE AND NOWHERE ELSE. - [Create Or Get Account](https://docs.onera.app/api-reference/account/create-or-get-account.md): Provision this signed-in identity's account, idempotently, with the signup credit grant. - [Email Login](https://docs.onera.app/api-reference/account/email-login.md) - [Email Signup](https://docs.onera.app/api-reference/account/email-signup.md): Create a pending account and email a verification code. - [Get Account](https://docs.onera.app/api-reference/account/get-account.md) - [Get Credit Usage](https://docs.onera.app/api-reference/account/get-credit-usage.md): Credit balance plus the recent ledger entries that explain it. - [List Api Keys](https://docs.onera.app/api-reference/account/list-api-keys.md) - [Request Password Reset](https://docs.onera.app/api-reference/account/request-password-reset.md): Start a password reset. Always 202, whether or not the address has an account. - [Resend Verification](https://docs.onera.app/api-reference/account/resend-verification.md): Send another sign-up code. - [Revoke Api Key](https://docs.onera.app/api-reference/account/revoke-api-key.md): Revoke a key immediately. Scoped to the caller's own account. - [Verify Email](https://docs.onera.app/api-reference/account/verify-email.md): Answer the sign-up code. This is what activates the account and grants the credits. - [Catalog](https://docs.onera.app/api-reference/catalog/catalog.md) - [China Prices](https://docs.onera.app/api-reference/china-·-prices/china-prices.md) - [China Securities](https://docs.onera.app/api-reference/china-·-securities/china-securities.md) - [China Security](https://docs.onera.app/api-reference/china-·-securities/china-security.md) - [India Filing](https://docs.onera.app/api-reference/india-·-annual-reports/india-filing.md) - [India Filing Pdf](https://docs.onera.app/api-reference/india-·-annual-reports/india-filing-pdf.md) - [India Filing Text](https://docs.onera.app/api-reference/india-·-annual-reports/india-filing-text.md) - [India Filings](https://docs.onera.app/api-reference/india-·-annual-reports/india-filings.md) - [Export Query](https://docs.onera.app/api-reference/india-·-exports/export-query.md): Run a constrained string query and stream the result as an Excel workbook (or CSV/Parquet). - [Prices Csv](https://docs.onera.app/api-reference/india-·-exports/prices-csv.md): Convenience GET that streams as-of prices straight to CSV (no string query to compose). - [India Judgment](https://docs.onera.app/api-reference/india-·-judgments/india-judgment.md) - [India Judgment Courts](https://docs.onera.app/api-reference/india-·-judgments/india-judgment-courts.md) - [India Judgment Pdf](https://docs.onera.app/api-reference/india-·-judgments/india-judgment-pdf.md) - [India Judgment Text](https://docs.onera.app/api-reference/india-·-judgments/india-judgment-text.md) - [India Judgments](https://docs.onera.app/api-reference/india-·-judgments/india-judgments.md) - [India News](https://docs.onera.app/api-reference/india-·-news/india-news.md) - [India News Categories](https://docs.onera.app/api-reference/india-·-news/india-news-categories.md) - [India Prices](https://docs.onera.app/api-reference/india-·-prices/india-prices.md) - [India Search](https://docs.onera.app/api-reference/india-·-search/india-search.md) - [India Securities](https://docs.onera.app/api-reference/india-·-securities/india-securities.md) - [India Security](https://docs.onera.app/api-reference/india-·-securities/india-security.md) - [Ask Endpoint](https://docs.onera.app/api-reference/search/ask-endpoint.md): Plan tool calls over the governed read surface, execute them under the as-of/trust gate, and synthesize a cited answer through the shared Corpus API runtime. - [Us Companies](https://docs.onera.app/api-reference/us-·-companies/us-companies.md) - [Us Company](https://docs.onera.app/api-reference/us-·-companies/us-company.md) - [Us Corporate Events](https://docs.onera.app/api-reference/us-·-events/us-corporate-events.md) - [Us Filing Content](https://docs.onera.app/api-reference/us-·-filings/us-filing-content.md) - [Us Filing Index](https://docs.onera.app/api-reference/us-·-filings/us-filing-index.md) - [Us Filing Xbrl](https://docs.onera.app/api-reference/us-·-filings/us-filing-xbrl.md) - [Us As Reported](https://docs.onera.app/api-reference/us-·-financial-statements/us-as-reported.md) - [Us Financials](https://docs.onera.app/api-reference/us-·-financial-statements/us-financials.md) - [Us Ledger](https://docs.onera.app/api-reference/us-·-financial-statements/us-ledger.md) - [Us Balance](https://docs.onera.app/api-reference/us-·-financials/us-balance.md) - [Us Cash Flow](https://docs.onera.app/api-reference/us-·-financials/us-cash-flow.md) - [Us Income](https://docs.onera.app/api-reference/us-·-financials/us-income.md) - [Us Edgar Research Coverage](https://docs.onera.app/api-reference/us-·-ownership/us-edgar-research-coverage.md): Coverage ledger for the normalized Form 4 and Form 13F API resources. - [Us Insider Transactions](https://docs.onera.app/api-reference/us-·-ownership/us-insider-transactions.md) - [Us Institutional Holdings](https://docs.onera.app/api-reference/us-·-ownership/us-institutional-holdings.md) - [Us Prices](https://docs.onera.app/api-reference/us-·-prices/us-prices.md) - [Us Search](https://docs.onera.app/api-reference/us-·-search/us-search.md) - [Us Filing](https://docs.onera.app/api-reference/us-·-sec-filings/us-filing.md) - [Us Filing Items](https://docs.onera.app/api-reference/us-·-sec-filings/us-filing-items.md): Read parsed sections by exact accession or by ticker/form/report-year selector. - [Us Filings](https://docs.onera.app/api-reference/us-·-sec-filings/us-filings.md) - [Us Pds Normalized Text](https://docs.onera.app/api-reference/us-·-sec-pds/us-pds-normalized-text.md): Return bounded bytes for an exact active PDS-derived normalized-text proof. - [Us Pds Submission](https://docs.onera.app/api-reference/us-·-sec-pds/us-pds-submission.md): Return a bounded exact-byte range from a published SEC PDS Feed submission. - [Authentication](https://docs.onera.app/authentication.md): Sign up, mint your own API key, and understand how credits meter Corpus requests. - [China API](https://docs.onera.app/china/overview.md): Daily A-share prices, exchange-qualified identifiers, and the suspension and adjustment semantics that govern them. - [Coverage](https://docs.onera.app/coverage.md): Understand the verified source ranges, identifiers, processing state, and known gaps for US, India, and China datasets. - [Data Provenance](https://docs.onera.app/data-provenance.md): Understand where Corpus data originates and how to trace an API record back to its source. - [Errors and pagination](https://docs.onera.app/errors-and-pagination.md): Handle Corpus errors, request IDs, offsets, and point-in-time collection metadata. - [Analyze financial statements](https://docs.onera.app/guides/analyze-financial-statements.md): Retrieve normalized US income, balance-sheet, and cash-flow statements. - [Retrieve a 10-K](https://docs.onera.app/guides/get-a-10-k.md): Find a US 10-K and retrieve its filing sections, source document, and XBRL files. - [Work with point-in-time data](https://docs.onera.app/guides/point-in-time-data.md): Use as-of cutoffs and knowledge timestamps to avoid look-ahead bias. - [Search documents](https://docs.onera.app/guides/search-documents.md): Search US filings or Indian annual reports and judgments while preserving source evidence. - [India API](https://docs.onera.app/india/overview.md): Securities, prices, annual reports, news, judgments, and search for Indian markets. - [Introduction](https://docs.onera.app/introduction.md): Source-traceable financial and legal data for the United States and India through one predictable API. - [MCP Server](https://docs.onera.app/mcp.md): Connect compatible agents to read-only Corpus tools for United States, India, and internal China data. - [Quick Start](https://docs.onera.app/quickstart.md): Authenticate and make your first Corpus API request in a few minutes. - [United States API](https://docs.onera.app/us/overview.md): Companies, prices, financial statements, SEC filings, filing items, and search for US public companies. ## OpenAPI Specs - [openapi](https://docs.onera.app/openapi.json)