GET /v1/fund-letters/{letter_id}/document

curl -X GET \
  -H "x-api-key: $SECAPI_API_KEY" \
  -H "secapi-version: 2026-03-19" \
  "https://api.secapi.ai/v1/fund-letters/example-letter-id/document"

{
  "requestId": "req_2ZK8Q1W9F4M6P7R3"
}

Retrieve the original letter document (format=pdf, 302 redirect) or page-segmented markdown whose bytes verify every anchor (format=markdown).

Audience: application and coding agent.

Coverage and source scope

Distribution rules: public_record and fund_published letters serve the full document; third_party letters return 403 document_not_distributable with a sourceUrl hint. EDGAR-sourced letters redirect to the EDGAR primary document. ?sha= retrieves a superseded source variant’s markdown so historical anchors always verify — only when the canonical letter’s distribution permits document serving.

Canonical metadata

requestId
traceparent

Example request

curl -X GET \
  -H "x-api-key: $SECAPI_API_KEY" \
  -H "secapi-version: 2026-03-19" \
  "https://api.secapi.ai/v1/fund-letters/example-letter-id/document"

Example response

{
  "requestId": "req_2ZK8Q1W9F4M6P7R3"
}

Give this prompt to your agent

Failure posture

treat non-2xx responses as contract-aware failures, not free-form errors
preserve requestId and traceparent in logs and downstream reports
if provenance or freshness metadata is present, return it unchanged so trust is not lost in the handoff

​Coverage and source scope

​Canonical metadata

​Example request

​Example response

​Give this prompt to your agent

​Failure posture

Coverage and source scope

Canonical metadata

Example request

Example response

Give this prompt to your agent

Failure posture