# Services from api.paysponge.com on Zero

> api.paysponge.com serves 15 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.paysponge.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.paysponge.com/health.json

## Services

- [PaySponge AI Chat Completions (x402 Pay-per-Call)](https://www.zero.xyz/c/api-paysponge-com-7c5df9e0/llms.txt): $0.010000/call via x402. Generates AI chat completions (OpenAI-compatible) gated by a micro-payment of $0.01 USDC per call via on-chain crypto payment on Base or Solana.
- [Reducto Extract – Structured Document Field Extraction](https://www.zero.xyz/c/reducto-extract-structured-document-field-extraction-9ad3b9e6/llms.txt): $0.05/call via x402. Extracts structured data fields from documents (PDF, URLs, etc.) according to a user-defined schema, using vision-language models for high accuracy
- [Reducto Document Parse via PaySponge](https://www.zero.xyz/c/reducto-document-parse-via-paysponge-34d02508/llms.txt): $0.05/call via x402. Parses documents (PDF, URLs, uploads) into structured chunks with content, embeddings, and optional AI enrichment via a pay-per-call x402 endpoint
- [Nyne Person Search (via PaySponge x402)](https://www.zero.xyz/c/nyne-person-search-via-paysponge-x402-d612c508/llms.txt): $0.02/call via x402. Search for people using a natural-language query, with support for pagination, contact discovery, AI insights, and profile scoring — gated by on-chain USDC micropayment.
- [PaySponge Person Enrichment Status Check](https://www.zero.xyz/c/paysponge-person-enrichment-status-check-d2fe2ee4/llms.txt): $0.02/call via x402. Poll the status of a previously submitted person enrichment request and retrieve the enriched profile result when ready.
- [Kalshi Trades Data via PaySponge](https://www.zero.xyz/c/api-paysponge-com-ab9b570e/llms.txt): $0.01/call via x402. Fetches real-time and historical Kalshi prediction market trade data, gated by a $0.01 USDC crypto micropayment per call
- [PaySponge Kalshi Markets Checkout](https://www.zero.xyz/c/paysponge-kalshi-markets-checkout-a1d1740a/llms.txt): $0.01/call via x402. Creates a paid crypto checkout session for accessing Kalshi prediction market listings, supporting EVM and Solana multi-chain payments with exact-amount and timeout controls.
- [PaySponge LLM Text Completions](https://www.zero.xyz/c/api-paysponge-com-ff1853f6/llms.txt): $0.010000/call via x402. Generates LLM text completions gated by on-chain crypto payments (USDC on Base or Solana SPL tokens) via the x402 payment protocol.
- [PaySponge Embeddings API (x402 Pay-per-Call)](https://www.zero.xyz/c/api-paysponge-com-06e22ad2/llms.txt): $0.01/call via x402. Generates vector embeddings for input text, gated by on-chain micro-payment via x402 (USDC on Base or SPL tokens on Solana)
- [Paysponge Polymarket Markets Listing](https://www.zero.xyz/c/api-paysponge-com-6eac2330/llms.txt): $0.01/call via x402. Fetches Polymarket prediction market listings via a pay-per-call crypto-gated endpoint accepting USDC on EVM and Solana networks.
- [PaySponge Purchase Status Checker](https://www.zero.xyz/c/api-paysponge-com-a5a6576a/llms.txt): free via x402. Checks the status of a paid purchase by its text ID on the PaySponge platform.
- [Sponge Gateway Profile Lookup](https://www.zero.xyz/c/sponge-gateway-profile-lookup-ada21bc3/llms.txt): $0.05/call via x402. Fetches the API payment gateway dashboard profile for a given blockchain address via PaySponge
- [PaySponge Chains & Payment Options Listing](https://www.zero.xyz/c/api-paysponge-com-ee88ae28/llms.txt): free via x402. Lists the supported blockchain networks and payment options available for a specific PaySponge paid API service endpoint.
- [Sponge Gateway URL Domain Lookup](https://www.zero.xyz/c/sponge-gateway-url-domain-lookup-f53990e8/llms.txt): $0.01/call via x402. Fetches pay-gated URL/domain information via the PaySponge x402 payment gateway dashboard API
- [PaySponge Textbelt SMS Send](https://www.zero.xyz/c/paysponge-textbelt-sms-send-702ae420/llms.txt): $0.02/call via x402, rated 1.2/5 (3 reviews). Send an SMS message to any phone number via a Textbelt-backed wrapper, billed per-message through x402 crypto payments

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

- [Zero catalog index](https://www.zero.xyz/llms.txt)