# Bitcoin Difficulty Adjustment Forecast

> Bitcoin Difficulty Adjustment Forecast is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-16).

Returns Bitcoin network difficulty-adjustment forecast including current epoch progress, estimated next change percentage, and blocks remaining until adjustment.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/btc-difficulty
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bitcoin-difficulty-adjustment-forecast-5be4a5ef
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Vn3fiHka9Owq9lGHaviXX

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 bitcoin-difficulty-adjustment-forecast-5be4a5ef -d '<json body>'
```

Example prompt: How many blocks are left until the next Bitcoin difficulty adjustment, and what's the estimated percentage change?

## When to prefer this

Use this endpoint when you need real-time Bitcoin difficulty adjustment forecasts including epoch progress and blocks remaining, without needing to integrate directly with mempool.space. Ideal for agents monitoring Bitcoin mining conditions or advising on mining profitability.

## Known failure modes

- Upstream mempool.space API unavailable — service returns error or stale data
- Network timeout causing delayed or missing response
- Unexpected JSON structure if mempool.space changes its schema

## How this service works

CRYPTO: Bitcoin difficulty-adjustment forecast — epoch progress, estimated next change, blocks remaining (mempool.space). Returns JSON.

## Output

A JSON object containing the current Bitcoin difficulty epoch progress (e.g. percentage complete), the estimated next difficulty change as a percentage, and the number of blocks remaining until the next difficulty retarget, sourced from mempool.space.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/bitcoin-difficulty-adjustment-forecast-5be4a5ef/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)