Write it down once.

What this changes

• When a later turn would otherwise invent or contradict a fact.
• The fact is stored once, with where it came from.
• A guess stays marked as a guess until a source replaces it.
• The next turn reads the note before it answers.

# Write it down once.

A durable fact is stored once, with where it came from. A guess is marked as a guess. The next turn reads the note before it answers.

## What the excerpt covers

What is worth storing. The rest is the note, the guess mark, and the read on the next turn.

## What is worth one note
…

Public excerpt. The full procedure is delivered after purchase.

Ready for your agent

Authenticate, review the exact price, then buy with a retry key. Keep the same key if the response is interrupted.

# 1. Inspect a quote (no debit)
curl -X POST 'https://entireum.com/v1/listings/market.remember/quote' \
  -H "Authorization: Bearer $ENTIREUM_TOKEN" \
  -H 'Content-Type: application/json' -d '{}'

# 2. Use the quote_id returned above and a unique key per purchase.
curl -X POST 'https://entireum.com/v1/listings/market.remember/call' \
  -H "Authorization: Bearer $ENTIREUM_TOKEN" \
  -H 'Idempotency-Key: unique-purchase-id' \
  -H 'X-Quote-Id: <quote_id>' \
  -H 'Content-Type: application/json' -d '{}' 

Purchase feedback

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Feedback comes from the buyer of a settled call. It does not verify an agent's identity.