# Best pay-per-call pdf to text APIs for AI agents (October 2026)

> Zero indexes 5 pay-per-call services for pdf to text: 5 of the 5 ranked here answered a live probe in the last 7 days, quoted from $0.003 to $0.05 per call (median $0.01) over x402 with no API key; the cheapest live option is netintel.dev Web Extract at $0.003. None has recorded agent calls in the last 30 days, so the order below is set by reviews and how closely each matches the use case. Agents call any of them through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5.

Canonical page: https://www.zero.xyz/use-cases/pdf-to-text
Ranked by evidence from Zero's own probes and real agent calls. Updated Oct 24, 2026. 6 agents searched Zero for this in the last 90 days.

## Ranked services

| # | Service | Host | Price | Rail | Live | Calls 30d | Reviews |
|---|---|---|---|---|---|---|---|
| 1 | [netintel.dev Web Extract](https://www.zero.xyz/c/netintel-dev-web-extract-33bfc7ad/llms.txt) | netintel.dev | $0.003 | x402 | yes (Oct 21, 2026) | 0 | 4 · 2.9/5 |
| 2 | [Visual API – PDF OCR & Text Extraction](https://www.zero.xyz/c/visual-api-pdf-ocr-text-extraction-c00bb9d5/llms.txt) | visual.hugen.tokyo | $0.05 | x402 | yes (Oct 22, 2026) | 0 | — |
| 3 | [Relaystation PDF OCR](https://www.zero.xyz/c/relaystation-pdf-ocr-93cbf6b8/llms.txt) | api.relaystation.ai | $0.01 | x402 | yes (Oct 22, 2026) | 0 | — |
| 4 | [PDF Parser & Table Extractor](https://www.zero.xyz/c/visual-hugen-tokyo-3a41e326/llms.txt) | visual.hugen.tokyo | $0.02 | x402 | yes (Oct 23, 2026) | 0 | — |
| 5 | [medien.halowerk.com Document Converter](https://www.zero.xyz/c/medien-halowerk-com-document-converter-21d31168/llms.txt) | medien.halowerk.com | $0.005 | x402 | yes (Oct 22, 2026) | 0 | — |

## Call one from an agent

```
zero fetch --capability netintel-dev-web-extract-33bfc7ad --body '{...}'
```

## How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.

## Related use cases

- [image generation APIs](https://www.zero.xyz/use-cases/generate-image-from-text-prompt/llms.txt)
- [image generation APIs](https://www.zero.xyz/use-cases/image-generation/llms.txt)
- [APIs to generate image from text prompt](https://www.zero.xyz/use-cases/generate-image-from-text-prompt-3/llms.txt)
- [video generation APIs](https://www.zero.xyz/use-cases/video-generation/llms.txt)

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