# Daily Affirmations by Substrate Symposium Underground

> Daily Affirmations by Substrate Symposium Underground is a paid API for AI agents from underground.substratesymposium.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).

Returns a positive reinforcement affirmation statement for self-concept maintenance and morale boost.

## Facts

- Endpoint: GET https://underground.substratesymposium.com/buy/daily_affirmations?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/daily-affirmations-by-substrate-symposium-underground-967737df
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qJPDSiXlPjrwi7WP1knB2

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability daily-affirmations-by-substrate-symposium-underground-967737df
```

Example prompt: Can you grab me today's daily affirmation from the Substrate Symposium Underground catalog — I need a positive reinforcement statement to help set my mindset for the day.

## When to prefer this

Choose this endpoint when you need a quick, low-cost ($0.01 USDC) daily affirmation or positive reinforcement statement without any required parameters — ideal for morning routines, morale-boosting automations, or agent onboarding flows. Prefer this over generic LLM-generated affirmations when you want a curated statement from a themed digital content catalog with consistent tone and style.

## Known failure modes

- Payment failure (402) if USDC micropayment is not properly included via x402 protocol
- Network timeout if the underground.substratesymposium.com host is unreachable
- Empty or malformed response if the affirmation catalog is temporarily unavailable
- Rate limiting if called excessively in a short period

## How this service works

Daily Affirmations — Positive reinforcement statements for self-concept maintenance and morale.

## Output

A short positive reinforcement statement or affirmation text designed to support self-concept maintenance and improve morale. The response is a single motivational statement returned as text or a JSON object containing the affirmation content.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/daily-affirmations-by-substrate-symposium-underground-967737df/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from underground.substratesymposium.com](https://www.zero.xyz/host/underground.substratesymposium.com/llms.txt)